Shavuot: Conversion & Jewish Identity

(א) וַיֹּ֤אמֶר ה' אֶל־אַבְרָ֔ם לֶךְ־לְךָ֛ מֵאַרְצְךָ֥ וּמִמּֽוֹלַדְתְּךָ֖ וּמִבֵּ֣ית אָבִ֑יךָ אֶל־הָאָ֖רֶץ אֲשֶׁ֥ר אַרְאֶֽךָּ׃ (ב) וְאֶֽעֶשְׂךָ֙ לְג֣וֹי גָּד֔וֹל וַאֲבָ֣רֶכְךָ֔ וַאֲגַדְּלָ֖ה שְׁמֶ֑ךָ וֶהְיֵ֖ה בְּרָכָֽה׃ (ג) וַאֲבָֽרֲכָה֙ מְבָ֣רְכֶ֔יךָ וּמְקַלֶּלְךָ֖ אָאֹ֑ר וְנִבְרְכ֣וּ בְךָ֔ כֹּ֖ל מִשְׁפְּחֹ֥ת הָאֲדָמָֽה׃ (ד) וַיֵּ֣לֶךְ אַבְרָ֗ם כַּאֲשֶׁ֨ר דִּבֶּ֤ר אֵלָיו֙ ה' וַיֵּ֥לֶךְ אִתּ֖וֹ ל֑וֹט וְאַבְרָ֗ם בֶּן־חָמֵ֤שׁ שָׁנִים֙ וְשִׁבְעִ֣ים שָׁנָ֔ה בְּצֵאת֖וֹ מֵחָרָֽן׃ (ה) וַיִּקַּ֣ח אַבְרָם֩ אֶת־שָׂרַ֨י אִשְׁתּ֜וֹ וְאֶת־ל֣וֹט בֶּן־אָחִ֗יו וְאֶת־כָּל־רְכוּשָׁם֙ אֲשֶׁ֣ר רָכָ֔שׁוּ וְאֶת־הַנֶּ֖פֶשׁ אֲשֶׁר־עָשׂ֣וּ בְחָרָ֑ן וַיֵּצְא֗וּ לָלֶ֙כֶת֙ אַ֣רְצָה כְּנַ֔עַן וַיָּבֹ֖אוּ אַ֥רְצָה כְּנָֽעַן׃

(1) The LORD said to Abram, “Go forth from your native land and from your father’s house to the land that I will show you. (2) I will make of you a great nation, And I will bless you; I will make your name great, And you shall be a blessing. (3) I will bless those who bless you And curse him that curses you; And all the families of the earth Shall bless themselves by you.” (4) Abram went forth as the LORD had commanded him, and Lot went with him. Abram was seventy-five years old when he left Haran. (5) Abram took his wife Sarai and his brother’s son Lot, and all the wealth that they had amassed, and the persons that they had acquired in Haran; and they set out for the land of Canaan. When they arrived in the land of Canaan,

(א) אשר עשו בחרן שֶׁהִכְנִיסָן תַּחַת כַּנְפֵי הַשְּׁכִינָה; אַבְרָהָם מְגַיֵּר את הָאֲנָשִׁים וְשָׂרָה מְגַיֶּרֶת הַנָּשִׁים, וּמַעֲלֶה עֲלֵיהֶם הַכָּתוּב כְּאִלּוּ עֲשָׂאוּם.

(1) אשר עשו בחרן [THE SOULS] THAT THEY HAD GOTTEN (literally, made) IN HARAN — The souls which he had brought beneath the sheltering wings of the Shechinah. Abraham converted the men and Sarah converted the women and Scripture accounts it unto them as if they had made them (Genesis Rabbah 39:14).

Me'or Einayim, Parshat Bamidbar

Abraham fulfilled the entire Torah even before it was given since his love was complete and perfected. He was thus able to fulfill the entire Torah, as it says, " וְתֽוֹרַת־חֶ֝֗סֶד" — a Torah of kindness" (Proverbs 31:26).

(יג) הֲלָהֵ֣ן ׀ תְּשַׂבֵּ֗רְנָה עַ֚ד אֲשֶׁ֣ר יִגְדָּ֔לוּ הֲלָהֵן֙ תֵּֽעָגֵ֔נָה לְבִלְתִּ֖י הֱי֣וֹת לְאִ֑ישׁ אַ֣ל בְּנֹתַ֗י כִּֽי־מַר־לִ֤י מְאֹד֙ מִכֶּ֔ם כִּֽי־יָצְאָ֥ה בִ֖י יַד־יְהוָֽה׃ (יד) וַתִּשֶּׂ֣נָה קוֹלָ֔ן וַתִּבְכֶּ֖ינָה ע֑וֹד וַתִּשַּׁ֤ק עָרְפָּה֙ לַחֲמוֹתָ֔הּ וְר֖וּת דָּ֥בְקָה בָּֽהּ׃ (טו) וַתֹּ֗אמֶר הִנֵּה֙ שָׁ֣בָה יְבִמְתֵּ֔ךְ אֶל־עַמָּ֖הּ וְאֶל־אֱלֹקֶ֑יהָ שׁ֖וּבִי אַחֲרֵ֥י יְבִמְתֵּֽךְ׃ (טז) וַתֹּ֤אמֶר רוּת֙ אַל־תִּפְגְּעִי־בִ֔י לְעָזְבֵ֖ךְ לָשׁ֣וּב מֵאַחֲרָ֑יִךְ כִּ֠י אֶל־אֲשֶׁ֨ר תֵּלְכִ֜י אֵלֵ֗ךְ וּבַאֲשֶׁ֤ר תָּלִ֙ינִי֙ אָלִ֔ין עַמֵּ֣ךְ עַמִּ֔י וֵאלֹקַ֖יִךְ אֱלֹהָֽי׃ (יז) בַּאֲשֶׁ֤ר תָּמ֙וּתִי֙ אָמ֔וּת וְשָׁ֖ם אֶקָּבֵ֑ר כֹּה֩ יַעֲשֶׂ֨ה ה' לִי֙ וְכֹ֣ה יֹסִ֔יף כִּ֣י הַמָּ֔וֶת יַפְרִ֖יד בֵּינִ֥י וּבֵינֵֽךְ׃ (יח) וַתֵּ֕רֶא כִּֽי־מִתְאַמֶּ֥צֶת הִ֖יא לָלֶ֣כֶת אִתָּ֑הּ וַתֶּחְדַּ֖ל לְדַבֵּ֥ר אֵלֶֽיהָ׃ (יט) וַתֵּלַ֣כְנָה שְׁתֵּיהֶ֔ם עַד־בֹּאָ֖נָה בֵּ֣ית לָ֑חֶם וַיְהִ֗י כְּבֹאָ֙נָה֙ בֵּ֣ית לֶ֔חֶם וַתֵּהֹ֤ם כָּל־הָעִיר֙ עֲלֵיהֶ֔ן וַתֹּאמַ֖רְנָה הֲזֹ֥את נָעֳמִֽי׃

(13) should you wait for them to grow up? Should you on their account debar yourselves from marriage? Oh no, my daughters! My lot is far more bitter than yours, for the hand of the LORD has struck out against me.” (14) They broke into weeping again, and Orpah kissed her mother-in-law farewell. But Ruth clung to her. (15) So she said, “See, your sister-in-law has returned to her people and her gods. Go follow your sister-in-law.” (16) But Ruth replied, “Do not urge me to leave you, to turn back and not follow you. For wherever you go, I will go; wherever you lodge, I will lodge; your people shall be my people, and your God my God. (17) Where you die, I will die, and there I will be buried. Thus and more may the LORD do to me if anything but death parts me from you.” (18) When [Naomi] saw how determined she was to go with her, she ceased to argue with her; (19) and the two went on until they reached Bethlehem. When they arrived in Bethlehem, the whole city buzzed with excitement over them. The women said, “Can this be Naomi?”

(ד) לֹֽא־יָבֹ֧א עַמּוֹנִ֛י וּמוֹאָבִ֖י בִּקְהַ֣ל ה' גַּ֚ם דּ֣וֹר עֲשִׂירִ֔י לֹא־יָבֹ֥א לָהֶ֛ם בִּקְהַ֥ל ה' עַד־עוֹלָֽם׃ (ה) עַל־דְּבַ֞ר אֲשֶׁ֨ר לֹא־קִדְּמ֤וּ אֶתְכֶם֙ בַּלֶּ֣חֶם וּבַמַּ֔יִם בַּדֶּ֖רֶךְ בְּצֵאתְכֶ֣ם מִמִּצְרָ֑יִם וַאֲשֶׁר֩ שָׂכַ֨ר עָלֶ֜יךָ אֶת־בִּלְעָ֣ם בֶּן־בְּע֗וֹר מִפְּת֛וֹר אֲרַ֥ם נַהֲרַ֖יִם לְקַֽלְלֶֽךָּ׃
(4) No Ammonite or Moabite shall be admitted into the congregation of the LORD; none of their descendants, even in the tenth generation, shall ever be admitted into the congregation of the LORD, (5) because they did not meet you with food and water on your journey after you left Egypt, and because they hired Balaam son of Beor, from Pethor of Aram-naharaim, to curse you.—

(ג) עַמּוֹנִי וּמוֹאָבִי, אֲסוּרִים, וְאִסּוּרָן אִסּוּר עוֹלָם, אֲבָל נְקֵבוֹתֵיהֶם מֻתָּרוֹת מִיָּד.

(3) An Ammonite and a Moabite are forbidden [to enter into the congregation of Israel] and their prohibition is forever. However, their women are permitted immediately [following conversion]..

אמר שלשה סימנים יש באומה זו הרחמנים והביישנין וגומלי חסדים רחמנים דכתיב (דברים יג, יח) ונתן לך רחמים ורחמך והרבך ביישנין דכתיב (שמות כ, כ) בעבור תהיה יראתו על פניכם גומלי חסדים דכתיב (בראשית יח, יט) למען אשר יצוה את בניו ואת ביתו וגו' כל שיש בו שלשה סימנים הללו ראוי להדבק באומה זו
David said: There are three distinguishing marks of this nation, the Jewish people. They are merciful, they are shamefaced, and they perform acts of kindness.
They are merciful, as it is written: “And He will give you mercy, and have mercy upon you and multiply you” (Deuteronomy 13:18); not only will God have mercy upon you, but He will bestow the attribute of mercy upon you.
They are shamefaced, as it is written: “And that His fear shall be upon your faces” (Exodus 20:17), and the fear that is on one’s face is his shame.
They perform acts of kindness, as it is written: “For I have known him, to the end that he may command his children and his household after him, that they may keep the way of the Lord, to practice righteousness and justice” (Genesis 18:19), i.e., to perform acts of kindness.
Whoever has these three distinguishing marks is fit to cleave to this nation. Those who lack these qualities, however, are unfit to be part of the Jewish people. When David saw the cruelty of the Gibeonites, he decreed that they may never enter into the congregation of Israel.

(א) חַיָּבִין אָנוּ לְהִזָּהֵר בְּמִצְוַת צְדָקָה יוֹתֵר מִכָּל מִצְוֹת עֲשֵׂה. שֶׁהַצְּדָקָה סִימָן לַצַּדִּיק זֶרַע אַבְרָהָם אָבִינוּ שֶׁנֶּאֱמַר (בראשית יח יט) "כִּי יְדַעְתִּיו לְמַעַן אֲשֶׁר יְצַוֶּה אֶת בָּנָיו" (בראשית יח יט) "לַעֲשׂוֹת צְדָקָה". וְאֵין כִּסֵּא יִשְׂרָאֵל מִתְכּוֹנֵן וְדַת הָאֱמֶת עוֹמֶדֶת אֶלָּא בִּצְדָקָה שֶׁנֶּאֱמַר (ישעיה נד יד) "בִּצְדָקָה תִּכּוֹנָנִי". וְאֵין יִשְׂרָאֵל נִגְאָלִין אֶלָּא בִּצְדָקָה שֶׁנֶּאֱמַר (ישעיה א כז) "צִיּוֹן בְּמִשְׁפָּט תִּפָּדֶה וְשָׁבֶיהָ בִּצְדָקָה":

(ב) לְעוֹלָם אֵין אָדָם מַעֲנִי מִן הַצְּדָקָה וְאֵין דָּבָר רַע וְלֹא הֶזֵּק נִגְלָל בִּשְׁבִיל הַצְּדָקָה שֶׁנֶּאֱמַר (ישעיה לב יז) "וְהָיָה מַעֲשֵׂה הַצְּדָקָה שָׁלוֹם." כָּל הַמְרַחֵם מְרַחֲמִין עָלָיו שֶׁנֶּאֱמַר (דברים יג יח) "וְנָתַן לְךָ רַחֲמִים וְרִחַמְךָ וְהִרְבֶּךָ". וְכָל מִי שֶׁהוּא אַכְזָרִי וְאֵינוֹ מְרַחֵם יֵשׁ לָחוּשׁ לְיַחֲסוֹ. שֶׁאֵין הָאַכְזָרִיּוּת מְצוּיָה אֶלָּא בְּעַכּוּ''ם שֶׁנֶּאֱמַר (ירמיה נ מב) "אַכְזָרִי הֵמָּה וְלֹא יְרַחֵמוּ". וְכָל יִשְׂרָאֵל וְהַנִּלְוֶה עֲלֵיהֶם כְּאַחִים הֵם שֶׁנֶּאֱמַר (דברים יד א) "בָּנִים אַתֶּם לַה' אֱלֹקֵיכֶם" וְאִם לֹא יְרַחֵם הָאָח עַל הָאָח מִי יְרַחֵם עָלָיו. וּלְמִי עֲנִיֵּי יִשְׂרָאֵל נוֹשְׂאִין עֵינֵיהֶן. הֲלְעַכּוּ''ם שֶׁשּׂוֹנְאִין אוֹתָן וְרוֹדְפִים אַחֲרֵיהֶן. הָא אֵין עֵינֵיהֶן תְּלוּיוֹת אֶלָּא לַאֲחֵיהֶן:

(1) We must be especially careful to observe the mitzvah of tzedakah, more so than any other positive mitzvah, for tzedakah is a sign of the righteous [tzadik] lineage of Abraham, our father, as it is said, (Genesis 18:19) For I have singled him out, that he may instruct his children and his posterity [to keep the way of the LORD] by doing what is just [tzedakah].175See Babylonian Talmud Yevamot 79a. The throne of Israel is established and the religion of truth stands only on tzedakah, as it is said, (Isaiah 54:14) You shall be established through righteousness [tzedek]. And Israel will only be redeemed through tzedakah, as it is said, (Isaiah 1:27) Zion shall be saved in the judgment; her repentant ones, in the retribution [tzedakah].176See Babylonian Talmud Shabbat 139a.

(2) Never has anyone become poor by giving to tzedakah, nor has anything bad ever come of it, nor has any harm occurred because of tzedakah, as it is said, (Isaiah 32:17) The work of righteousness [tzedakah] is peace. Anyone who shows compassion, others will show compassion to him, as it is said, (Deut. 13:18) [May God] show you compassion, and let your compassion increase.177This is a play on the text. The original reads, "and in His compassion increase you," that is, God will multiply your descendants. Here, the compassion itself increases. And if someone is cruel and without compassion, then his lineage is suspect, for cruelty is only found among the idolatrous nations, as it is said, (Jer. 50:42) They are cruel, they show no mercy.178See Babylonian Talmud Shabbat 151b. All Israel and all who are associated with them are like brothers, as it is said, (Deut. 14:1) You are children of the LORD your God.179See Babylonian Talmud Bava Batra 10a and the Introduction. And if a brother does not show compassion for another brother, then who will have compassion for him? And to whom can the poor of Israel look? To the idolatrous nations that hate them and pursue them? They can only look to rely upon their brothers.

(א) בִשְׁלֹשָׁה דְּבָרִים נִכְנְסוּ יִשְׂרָאֵל לִבְרִית. בְּמִילָה וּטְבִילָה וְקָרְבָּן:

(ב) מִילָה הָיְתָה בְּמִצְרַיִם שֶׁנֶּאֱמַר (שמות יב מח) "וְכָל עָרֵל לֹא יֹאכַל בּוֹ". מָל אוֹתָם משֶׁה רַבֵּנוּ שֶׁכֻּלָּם בִּטְּלוּ בְּרִית מִילָה בְּמִצְרַיִם חוּץ מִשֵּׁבֶט לֵוִי וְעַל זֶה נֶאֱמַר (דברים לג ט) "וּבְרִיתְךָ יִנְצֹרוּ":

(ג) וּטְבִילָה הָיְתָה בַּמִּדְבָּר קֹדֶם מַתַּן תּוֹרָה שֶׁנֶּאֱמַר (שמות יט י) "וְקִדַּשְׁתָּם הַיּוֹם וּמָחָר וְכִבְּסוּ שִׂמְלֹתָם". וְקָרְבָּן שֶׁנֶּאֱמַר (שמות כד ה) "וַיִּשְׁלַח אֶת נַעֲרֵי בְּנֵי יִשְׂרָאֵל וַיַּעֲלוּ עלֹת", עַל יְדֵי כָּל יִשְׂרָאֵל הִקְרִיבוּם:

(ד) וְכֵן לְדוֹרוֹת כְּשֶׁיִּרְצֶה הָעַכּוּ''ם לְהִכָּנֵס לִבְרִית וּלְהִסְתּוֹפֵף תַּחַת כַּנְפֵי הַשְּׁכִינָה וִיקַבֵּל עָלָיו עֹל תּוֹרָה צָרִיךְ מִילָה וּטְבִילָה וְהַרְצָאַת קָרְבָּן. וְאִם נְקֵבָה הִיא טְבִילָה וְקָרְבָּן שֶׁנֶּאֱמַר (במדבר טו טו) "כָּכֶם כַּגֵּר". מָה אַתֶּם בְּמִילָה וּטְבִילָה וְהַרְצָאַת קָרְבָּן אַף הַגֵּר לְדוֹרוֹת בְּמִילָה וּטְבִילָה וְהַרְצָאַת קָרְבָּן:

(1) There are three ways in which someone enters the covenant: by circumcision, by immersion, and by a Temple offering.

(2) Circumcision as it was in Egypt, as it says, "Every uncircumcised person shall not eat of it (the Passover offering)." Moses our teacher circumcised them and everyone spurned the covenant in Egypt with the exception of the Tribe of Levi. On this it says, "Your covenant was withheld."

(3) Immersion was in the desert before receiving the Torah, as is said, "Sanctify yourselves today and tomorrow; wash your clothes." The offering, as is said, "Send the young ones of Israel to bring elevation offerings" - and everyone in Israel brought them.

(4) Throughout the generations, any non-Jew who wants to enter the covenant and come in under the 'wings of the Presence of God' accepts upon him or herself the yoke of Torah - he needs circumcision, immersion and a Temple offering. If female, she needs only immersion and an offering, as is said "As for you, so for the foreigner." That's to say, just as you (entered via) circumcision, immersion and an offering, so too the foreigner (shall enter via) circumcision, immersion and an offering.

תנו רבנן גר שבא להתגייר בזמן הזה אומרים לו מה ראית שבאת להתגייר אי אתה יודע שישראל בזמן הזה דוויים דחופים סחופים ומטורפין ויסורין באין עליהם אם אומר יודע אני ואיני כדאי מקבלין אותו מיד ומודיעין אותו מקצת מצות קלות ומקצת מצות חמורות ומודיעין אותו עון לקט שכחה ופאה ומעשר עני ומודיעין אותו ענשן של מצות אומרים לו הוי יודע שעד שלא באת למדה זו אכלת חלב אי אתה ענוש כרת חללת שבת אי אתה ענוש סקילה ועכשיו אכלת חלב ענוש כרת חללת שבת ענוש סקילה וכשם שמודיעין אותו ענשן של מצות כך מודיעין אותו מתן שכרן אומרים לו הוי יודע שהעולם הבא אינו עשוי אלא לצדיקים וישראל בזמן הזה אינם יכולים לקבל

The Sages taught in a baraita: With regard to a potential convert who comes to a court in order to convert, at the present time, when the Jews are in exile, the judges of the court say to him: What did you see that motivated you to come to convert? Don’t you know that the Jewish people at the present time are anguished, suppressed, despised, and harassed, and hardships are frequently visited upon them? If he says: I know, and although I am unworthy of joining the Jewish people and sharing in their sorrow, I nevertheless desire to do so, then the court accepts him immediately to begin the conversion process. And the judges of the court inform him of some of the lenient mitzvot and some of the stringent mitzvot, and they inform him of the sin of neglecting the mitzva to allow the poor to take gleanings, forgotten sheaves, and produce in the corner of one’s field, and about the poor man’s tithe. And they inform him of the punishment for transgressing the mitzvot, as follows: They say to him: Be aware that before you came to this status and converted, had you eaten forbidden fat, you would not be punished by karet, and had you profaned Shabbat, you would not be punished by stoning, since these prohibitions do not apply to gentiles. But now, once converted, if you have eaten forbidden fat you are punished by karet, and if you have profaned Shabbat, you are punished by stoning. And just as they inform him about the punishment for transgressing the mitzvot, so too, they inform him about the reward granted for fulfilling them. They say to him: Be aware that the World-to-Come is made only for the righteous, and if you observe the mitzvot you will merit it, and be aware that the Jewish people, at the present time, are unable to receive their full reward in this world;

ת"ר מעשה בנכרי אחד שבא לפני שמאי אמר לו כמה תורות יש לכם אמר לו שתים תורה שבכתב ותורה שבעל פה א"ל שבכתב אני מאמינך ושבעל פה איני מאמינך גיירני ע"מ שתלמדני תורה שבכתב גער בו והוציאו בנזיפה בא לפני הלל גייריה יומא קמא א"ל א"ב ג"ד למחר אפיך ליה א"ל והא אתמול לא אמרת לי הכי א"ל לאו עלי דידי קא סמכת דעל פה נמי סמוך עלי: שוב מעשה בנכרי אחד שבא לפני שמאי א"ל גיירני ע"מ שתלמדני כל התורה כולה כשאני עומד על רגל אחת דחפו באמת הבנין שבידו בא לפני הלל גייריה אמר לו דעלך סני לחברך לא תעביד זו היא כל התורה כולה ואידך פירושה הוא זיל גמור.
The Sages taught: There was an incident involving one gentile who came before Shammai. The gentile said to Shammai: How many Torahs do you have? He said to him: Two, the Written Torah and the Oral Torah. The gentile said to him: With regard to the Written Torah, I believe you, but with regard to the Oral Torah, I do not believe you. Convert me on condition that you will teach me only the Written Torah. Shammai scolded him and cast him out with reprimand. The same gentile came before Hillel, who converted him and began teaching him Torah. On the first day, he showed him the letters of the alphabet and said to him: Alef, bet, gimmel, dalet. The next day he reversed the order of the letters and told him that an alef is a tav and so on. The convert said to him: But yesterday you did not tell me that. Hillel said to him: You see that it is impossible to learn what is written without relying on an oral tradition. Didn’t you rely on me? Therefore, you should also rely on me with regard to the matter of the Oral Torah, and accept the interpretations that it contains. There was another incident involving one gentile who came before Shammai and said to Shammai: Convert me on condition that you teach me the entire Torah while I am standing on one foot. Shammai pushed him away with the builder’s cubit in his hand. This was a common measuring stick and Shammai was a builder by trade. The same gentile came before Hillel. He converted him and said to him: That which is hateful to you do not do to another; that is the entire Torah, and the rest is its interpretation. Go study.

Rambam, Letter to Ovadia the convert

You ask me if you, too, are allowed to say in the blessings and prayers you offer alone or in the congregation: “Our God,” and “God of our fathers,” “You who have sanctified us through your commandments,” “You who have separated us,” You who have chosen us,” You who have inherited us,” “You who have brought us out of the Land of Egypt,” “You who have worked miracles to our fathers,” and more of this kind.

The reason for this, that Abraham our Father taught the people, opened their minds, and revealed to them the true faith and the unity of God; he rejected the idols and abolished their adoration; he brought many children under the wings of the Divine Presence; he gave them counsel and advice, and ordered his sons and the members of his household after him to keep the ways of the Lord forever, as it is written, “For I have known him to the end that he may command his children and his household after him, that he may keep the ways of the Lord, to do righteousness and justice” (Genesis 18:19). Ever since then whoever adopts Judaism and confesses the unity of the Divine Name, as it is prescribed in the Torah, is counted among the disciples of Abraham our Father, peace be with him. These men are Abraham’s household, and he it is who converted them to righteousness. In the same way as he converted his contemporaries through words and teaching, he converts future generations through the testament he left to his children and household after him. Thus Abraham, our Father, peace be with him, is the father of his pious posterity who keeps his ways, and the father of his disciples and of all proselytes who adopt Judaism.

There is no difference whatsoever between you and us. You shall certainly say the blessing, “Who has chosen us,” “Who has given us,” “Who has taken us for Your own,” and “Who have separated us”: for the Creator, may He be extolled, has indeed chosen you and separates you from the nations and given you the Torah...Know that our fathers, when they came out of Egypt, were mostly idolaters, they had mingled with the pagans of Egypt, and imitated their way of life, until the Holy One, blessed be He, sent Moses our Teacher, the master of all prophets, who separated us from the nations and brought us all under the wings of the Divine Presence, us and all proselytes, and gave to all of us one Law. Do not consider your origin as inferior. While we are the descendents of Abraham, Isaac, and Jacob, you derive from Him through whose word the world was created.

Rabbi David Hartman, The God Who Hates Lies

For Maimonides, the constitutive principle of Jewish identity is not biology but covenantal behavior...Maimonides holds the covenantal principle as a transforming framework for the barriers of ethnicity and family experience. Being called upon to live a certain way of life breaks through all ethnic border, forging a connection with the Jewish forefather Abraham that is, he suggest, far more significant than any notion of “hold seed.” The only meaningful standard for becoming “disciples of Abraham” is the adoption of a Jewish lifestyle and confession of divine unity...He wanted to advance the claim that the transforming feature of Jewish identity is not lineage but faith commitment and the acceptance of divine unity and a particular way of life. Abraham is not the father of the world via the transmission of his holy seed, but rather via his worldview, his commitment to the monotheistic principle. He transmits sanctity not through sperm but through a disciplined faith posture. The significance of the biological is severely circumscribed; the organizing framework of identity is the covenantal relationship, period.

בעיא לאיגיורי באתה אצל אברהם יצחק ויעקב ולא קבלוה הלכה והיתה פילגש לאליפז בן עשו אמרה מוטב תהא שפחה לאומה זו ולא תהא גבירה לאומה אחרת נפק מינה עמלק דצערינהו לישראל מאי טעמא דלא איבעי להו לרחקה
Timna sought to convert. She came before Abraham, Isaac, and Jacob, and they did not accept her. She went and became a concubine of Eliphaz, son of Esau, and said, referring to herself: It is preferable that she will be a maidservant for this nation, and she will not be a noblewoman for another nation. Ultimately, Amalek, son of Eliphaz, emerged from her, and that tribe afflicted the Jewish people. What is the reason that the Jewish people were punished by suffering at the hand of Amalek? It is due to the fact that they should not have rejected her when she sought to convert. Therefore, the verse is significant.

Midrash Lekakh Tov Genesis 50 Vayechi

Our sages teach, “Anyone who has compassion towards one’s fellow is considered a descendant of Abraham, Isaac, and Jacob.”