Mitzrayim and Eretz Mitzrayim: Rabbi Joseph Baumol on the Nature of the Seventh Day of Pesach

What is the nature of the seventh day of Exodus? First day is naturally the physical exit from Egypt, what about day 7?

(טז) וּבַיּ֤וֹם הָרִאשׁוֹן֙ מִקְרָא־קֹ֔דֶשׁ וּבַיּוֹם֙ הַשְּׁבִיעִ֔י מִקְרָא־קֹ֖דֶשׁ יִהְיֶ֣ה לָכֶ֑ם כָּל־מְלָאכָה֙ לֹא־יֵעָשֶׂ֣ה בָהֶ֔ם אַ֚ךְ אֲשֶׁ֣ר יֵאָכֵ֣ל לְכָל־נֶ֔פֶשׁ ה֥וּא לְבַדּ֖וֹ יֵעָשֶׂ֥ה לָכֶֽם׃
(16) You shall celebrate a sacred occasion on the first day, and a sacred occasion on the seventh day; no work at all shall be done on them; only what every person is to eat, that alone may be prepared for you.

The first time a 'mikra kodesh' is mentioned (in Mitzrayim!) it relates to two distinct days, day 1 and day 7. Why?

ויגד למלך מצרים. אִיקְטוֹרִין שָׁלַח עִמָּהֶם, וְכֵיוָן שֶׁהִגִּיעוּ לִשְׁלֹשֶׁת יָמִים שֶׁקָבְעוּ לֵילֵךְ וְלָשׁוּב וְרָאוּ שֶׁאֵינָן חוֹזְרִין לְמִצְרַיִם, בָּאוּ וְהִגִּידוּ לְפַרְעֹה בַּיּוֹם הָרְבִיעִי, בַּחֲמִישִׁי וּבַשִּׁשִּׁי רָדְפוּ אַחֲרֵיהֶם, לֵיל שְׁבִיעִי יָרְדוּ לַיָּם, בַּשַּׁחֲרִית אָמְרוּ שִׁירָה וְהוּא יוֹם שְׁבִיעִי שֶׁל פֶּסַח; לְכָךְ אָנוּ קוֹרִין הַשִּׁירָה בַּיּוֹם הַשְּׁבִיעִי:
ויגד למלך מצרים AND IT WAS TOLD THE KING OF EGYPT — He sent public officers with them, and as soon as they had reached the three days’ journey which he had fixed for them to go and return, and these perceived that they were not going back to Egypt, they came and told Pharaoh on the fourth day (cf. Mekhilta d'Rabbi Yishmael 14:5:1). On the fifth and sixth they pursued after them: on the night of the seventh day they went down into the sea and on the following morning they (the Israelites) sang the Song of Praise and this was the seventh day of Passover. And that is why we read “The Song” (Exodus 15:1 ff.) as the Scriptural lesson on the seventh day of the Festival (Megillah 31a; Seder Olam 5; cf. Sotah 12b).

Rashi based on Chazal squarely puts the seventh day at the splitting of the sea. This explains why we read the 'song at the sea' on the seventh day of Pesach and why it is considered a special 'mikra kodesh'.

However the Torah does not explicitly state this fact. Rashi deduces it from an inference about Pharaoh chasing them. Why does the Torah mention the first and seventh day while they were still in Egypt?

הרב יוסף אבן כספי

וביום הראשון מקרא קדש – ידוע כי הנפש תתעורר להתחלות ולתכליות, לכן היו קודש הראשון והאחרון, גם הטיבו רבותינו כי צוונו למעט בעסק אף באמצעים.

כל מלאכה לא יעשה בהם – כנר זכרנו כי כל לשון הוא הסכמי, א״כ אין לתמוה בהניח העברי תיבת כל דרך חומה כוללת בשוללות תחת אשר הניח אריסטו בשוללות אין שום ואין אחד.

Ibn Kaspi introduces to us the notion that the first and seventh are significant in and of themselves regardless of the specific event that transpires on those days. 1st and 7th make up a unit.

רב שמשון רפאל הירש

כפי שביארנו באוסף כתבים (כרך ג עמ׳ צו–קיא), מחזור של שבעה ימים מייצג תקופה, בה נִשלם תהליך זכיה במדרגה חדשה או מחודשת. כל אימת שמחזור שבועי כזה מוקדש למועד, הרי שהרעיונות והגישות שצצו ועלו בשלב התחייה ביום הראשון, יגיעו לפסגת בהירותם ותוקפם ביום השביעי. ואז, לאחר שזכינו להתעלות וחיוניות זו, עלינו לשוב לחיי היום־יום, כדי להביא רעיונות אלה לידי מעשה. זה הטעם ש״קריאה זו אל ה׳ ואל מקדשו״ באה במלוא עוזה ביום הראשון וביום השביעי: ביום הראשון, המזעיק אותנו מתוך חיי היום־יום הרגילים שלנו, ומשריש בהכרתנו את הרעיון שעלינו לחדשו ולהחיותו; וביום השביעי, המאפשר לנו לדבוק ברעיון זה בשלמות כה רבה, עד שאנו לוקחים אותו עימנו בשובנו לחיי היום־יום

Hirsch expands on Kaspi's notion of 7 and focuses on the process that goes from 1 to 7. On the 7th day "the process of meriting a new level or a renewed level...on the seventh day the initial thoughts and premonitions which percolated on the first day come to fruition. After we reached that climax of spirituality we must return to the day-to-day in order to bring these ideas to action.

But what exactly is the transition from the first day to the seventh day of the Exodus story?

My grandfather, Rabbi Joseph Baumol ZTZ"L suggested an answer:

(א) וַיֹּ֤אמֶר יְהוָה֙ אֶל־מֹשֶׁ֣ה וְאֶֽל־אַהֲרֹ֔ן בְּאֶ֥רֶץ מִצְרַ֖יִם לֵאמֹֽר׃ (ב) הַחֹ֧דֶשׁ הַזֶּ֛ה לָכֶ֖ם רֹ֣אשׁ חֳדָשִׁ֑ים רִאשׁ֥וֹן הוּא֙ לָכֶ֔ם לְחָדְשֵׁ֖י הַשָּׁנָֽה׃ (ג) דַּבְּר֗וּ אֶֽל־כָּל־עֲדַ֤ת יִשְׂרָאֵל֙ לֵאמֹ֔ר בֶּעָשֹׂ֖ר לַחֹ֣דֶשׁ הַזֶּ֑ה וְיִקְח֣וּ לָהֶ֗ם אִ֛ישׁ שֶׂ֥ה לְבֵית־אָבֹ֖ת שֶׂ֥ה לַבָּֽיִת׃ (ח) וְאָכְל֥וּ אֶת־הַבָּשָׂ֖ר בַּלַּ֣יְלָה הַזֶּ֑ה צְלִי־אֵ֣שׁ וּמַצּ֔וֹת עַל־מְרֹרִ֖ים יֹאכְלֻֽהוּ׃ (יב) וְעָבַרְתִּ֣י בְאֶֽרֶץ־מִצְרַיִם֮ בַּלַּ֣יְלָה הַזֶּה֒ וְהִכֵּיתִ֤י כָל־בְּכוֹר֙ בְּאֶ֣רֶץ מִצְרַ֔יִם מֵאָדָ֖ם וְעַד־בְּהֵמָ֑ה וּבְכָל־אֱלֹהֵ֥י מִצְרַ֛יִם אֶֽעֱשֶׂ֥ה שְׁפָטִ֖ים אֲנִ֥י יְהוָֽה׃ (יג) וְהָיָה֩ הַדָּ֨ם לָכֶ֜ם לְאֹ֗ת עַ֤ל הַבָּתִּים֙ אֲשֶׁ֣ר אַתֶּ֣ם שָׁ֔ם וְרָאִ֙יתִי֙ אֶת־הַדָּ֔ם וּפָסַחְתִּ֖י עֲלֵכֶ֑ם וְלֹֽא־יִֽהְיֶ֨ה בָכֶ֥ם נֶ֙גֶף֙ לְמַשְׁחִ֔ית בְּהַכֹּתִ֖י בְּאֶ֥רֶץ מִצְרָֽיִם׃ (יז) וּשְׁמַרְתֶּם֮ אֶת־הַמַּצּוֹת֒ כִּ֗י בְּעֶ֙צֶם֙ הַיּ֣וֹם הַזֶּ֔ה הוֹצֵ֥אתִי אֶת־צִבְאוֹתֵיכֶ֖ם מֵאֶ֣רֶץ מִצְרָ֑יִם וּשְׁמַרְתֶּ֞ם אֶת־הַיּ֥וֹם הַזֶּ֛ה לְדֹרֹתֵיכֶ֖ם חֻקַּ֥ת עוֹלָֽם׃ (כט) וַיְהִ֣י ׀ בַּחֲצִ֣י הַלַּ֗יְלָה וַֽיהוָה֮ הִכָּ֣ה כָל־בְּכוֹר֮ בְּאֶ֣רֶץ מִצְרַיִם֒ מִבְּכֹ֤ר פַּרְעֹה֙ הַיֹּשֵׁ֣ב עַל־כִּסְא֔וֹ עַ֚ד בְּכ֣וֹר הַשְּׁבִ֔י אֲשֶׁ֖ר בְּבֵ֣ית הַבּ֑וֹר וְכֹ֖ל בְּכ֥וֹר בְּהֵמָֽה׃ (מא) וַיְהִ֗י מִקֵּץ֙ שְׁלֹשִׁ֣ים שָׁנָ֔ה וְאַרְבַּ֥ע מֵא֖וֹת שָׁנָ֑ה וַיְהִ֗י בְּעֶ֙צֶם֙ הַיּ֣וֹם הַזֶּ֔ה יָֽצְא֛וּ כָּל־צִבְא֥וֹת יְהוָ֖ה מֵאֶ֥רֶץ מִצְרָֽיִם׃ (מב) לֵ֣יל שִׁמֻּרִ֥ים הוּא֙ לַֽיהוָ֔ה לְהוֹצִיאָ֖ם מֵאֶ֣רֶץ מִצְרָ֑יִם הֽוּא־הַלַּ֤יְלָה הַזֶּה֙ לַֽיהוָ֔ה שִׁמֻּרִ֛ים לְכָל־בְּנֵ֥י יִשְׂרָאֵ֖ל לְדֹרֹתָֽם׃ (נא) וַיְהִ֕י בְּעֶ֖צֶם הַיּ֣וֹם הַזֶּ֑ה הוֹצִ֨יא יְהוָ֜ה אֶת־בְּנֵ֧י יִשְׂרָאֵ֛ל מֵאֶ֥רֶץ מִצְרַ֖יִם עַל־צִבְאֹתָֽם׃ (פ)

(1) The LORD said to Moses and Aaron in the land of Egypt: (2) This month shall mark for you the beginning of the months; it shall be the first of the months of the year for you. (3) Speak to the whole community of Israel and say that on the tenth of this month each of them shall take a lamb to a family, a lamb to a household. (8) They shall eat the flesh that same night; they shall eat it roasted over the fire, with unleavened bread and with bitter herbs. (12) For that night I will go through the land of Egypt and strike down every first-born in the land of Egypt, both man and beast; and I will mete out punishments to all the gods of Egypt, I the LORD. (13) And the blood on the houses where you are staying shall be a sign for you: when I see the blood I will pass over you, so that no plague will destroy you when I strike the land of Egypt. (17) You shall observe the [Feast of] Unleavened Bread, for on this very day I brought your ranks out of the land of Egypt; you shall observe this day throughout the ages as an institution for all time. (29) In the middle of the night the LORD struck down all the first-born in the land of Egypt, from the first-born of Pharaoh who sat on the throne to the first-born of the captive who was in the dungeon, and all the first-born of the cattle. (41) at the end of the four hundred and thirtieth year, to the very day, all the ranks of the LORD departed from the land of Egypt. (42) That was for the LORD a night of vigil to bring them out of the land of Egypt; that same night is the LORD’s, one of vigil for all the children of Israel throughout the ages. (51) That very day the LORD freed the Israelites from the land of Egypt, troop by troop.

(א) וַיְדַבֵּ֥ר יְהוָ֖ה אֶל־מֹשֶׁ֥ה לֵּאמֹֽר׃ (ב) קַדֶּשׁ־לִ֨י כָל־בְּכ֜וֹר פֶּ֤טֶר כָּל־רֶ֙חֶם֙ בִּבְנֵ֣י יִשְׂרָאֵ֔ל בָּאָדָ֖ם וּבַבְּהֵמָ֑ה לִ֖י הֽוּא׃ (ג) וַיֹּ֨אמֶר מֹשֶׁ֜ה אֶל־הָעָ֗ם זָכ֞וֹר אֶת־הַיּ֤וֹם הַזֶּה֙ אֲשֶׁ֨ר יְצָאתֶ֤ם מִמִּצְרַ֙יִם֙ מִבֵּ֣ית עֲבָדִ֔ים כִּ֚י בְּחֹ֣זֶק יָ֔ד הוֹצִ֧יא יְהֹוָ֛ה אֶתְכֶ֖ם מִזֶּ֑ה וְלֹ֥א יֵאָכֵ֖ל חָמֵֽץ׃ (ד) הַיּ֖וֹם אַתֶּ֣ם יֹצְאִ֑ים בְּחֹ֖דֶשׁ הָאָבִֽיב׃ (ו) שִׁבְעַ֥ת יָמִ֖ים תֹּאכַ֣ל מַצֹּ֑ת וּבַיּוֹם֙ הַשְּׁבִיעִ֔י חַ֖ג לַיהוָֽה׃(ח) וְהִגַּדְתָּ֣ לְבִנְךָ֔ בַּיּ֥וֹם הַה֖וּא לֵאמֹ֑ר בַּעֲב֣וּר זֶ֗ה עָשָׂ֤ה יְהוָה֙ לִ֔י בְּצֵאתִ֖י מִמִּצְרָֽיִם׃ (ט) וְהָיָה֩ לְךָ֨ לְא֜וֹת עַל־יָדְךָ֗ וּלְזִכָּרוֹן֙ בֵּ֣ין עֵינֶ֔יךָ לְמַ֗עַן תִּהְיֶ֛ה תּוֹרַ֥ת יְהוָ֖ה בְּפִ֑יךָ כִּ֚י בְּיָ֣ד חֲזָקָ֔ה הוֹצִֽאֲךָ֥ יְהֹוָ֖ה מִמִּצְרָֽיִם׃ (יד) וְהָיָ֞ה כִּֽי־יִשְׁאָלְךָ֥ בִנְךָ֛ מָחָ֖ר לֵאמֹ֣ר מַה־זֹּ֑את וְאָמַרְתָּ֣ אֵלָ֔יו בְּחֹ֣זֶק יָ֗ד הוֹצִיאָ֧נוּ יְהוָ֛ה מִמִּצְרַ֖יִם מִבֵּ֥ית עֲבָדִֽים׃ (טז) וְהָיָ֤ה לְאוֹת֙ עַל־יָ֣דְכָ֔ה וּלְטוֹטָפֹ֖ת בֵּ֣ין עֵינֶ֑יךָ כִּ֚י בְּחֹ֣זֶק יָ֔ד הוֹצִיאָ֥נוּ יְהוָ֖ה מִמִּצְרָֽיִם׃ (יט)

(1) The LORD spoke further to Moses, saying, (2) “Consecrate to Me every first-born; man and beast, the first issue of every womb among the Israelites is Mine.” (3) And Moses said to the people, “Remember this day, on which you went free from Egypt, the house of bondage, how the LORD freed you from it with a mighty hand: no leavened bread shall be eaten. (4) You go free on this day, in the month of Abib. (6) “Seven days you shall eat unleavened bread, and on the seventh day there shall be a festival of the LORD. (8) And you shall explain to your son on that day, ‘It is because of what the LORD did for me when I went free from Egypt. (9) “And this shall serve you as a sign on your hand and as a reminder on your forehead—in order that the Teaching of the LORD may be in your mouth—that with a mighty hand the LORD freed you from Egypt. (14) And when, in time to come, your son asks you, saying, ‘What does this mean?’ you shall say to him, ‘It was with a mighty hand that the LORD brought us out from Egypt, the house of bondage. (16) “And so it shall be as a sign upon your hand and as a symbol on your forehead that with a mighty hand the LORD freed us from Egypt.”

(א) וַיְדַבֵּ֥ר יְהֹוָ֖ה אֶל־מֹשֶׁ֥ה לֵּאמֹֽר׃ (ב) דַּבֵּר֮ אֶל־בְּנֵ֣י יִשְׂרָאֵל֒ וְיָשֻׁ֗בוּ וְיַחֲנוּ֙ לִפְנֵי֙ פִּ֣י הַחִירֹ֔ת בֵּ֥ין מִגְדֹּ֖ל וּבֵ֣ין הַיָּ֑ם לִפְנֵי֙ בַּ֣עַל צְפֹ֔ן נִכְח֥וֹ תַחֲנ֖וּ עַל־הַיָּֽם׃ (ג) וְאָמַ֤ר פַּרְעֹה֙ לִבְנֵ֣י יִשְׂרָאֵ֔ל נְבֻכִ֥ים הֵ֖ם בָּאָ֑רֶץ סָגַ֥ר עֲלֵיהֶ֖ם הַמִּדְבָּֽר׃ (ד) וְחִזַּקְתִּ֣י אֶת־לֵב־פַּרְעֹה֮ וְרָדַ֣ף אַחֲרֵיהֶם֒ וְאִכָּבְדָ֤ה בְּפַרְעֹה֙ וּבְכָל־חֵיל֔וֹ וְיָדְע֥וּ מִצְרַ֖יִם כִּֽי־אֲנִ֣י יְהוָ֑ה וַיַּֽעֲשׂוּ־כֵֽן׃ (ה) וַיֻּגַּד֙ לְמֶ֣לֶךְ מִצְרַ֔יִם כִּ֥י בָרַ֖ח הָעָ֑ם וַ֠יֵּהָפֵךְ לְבַ֨ב פַּרְעֹ֤ה וַעֲבָדָיו֙ אֶל־הָעָ֔ם וַיֹּֽאמרוּ֙ מַה־זֹּ֣את עָשִׂ֔ינוּ כִּֽי־שִׁלַּ֥חְנוּ אֶת־יִשְׂרָאֵ֖ל מֵעָבְדֵֽנוּ׃ (ו) וַיֶּאְסֹ֖ר אֶת־רִכְבּ֑וֹ וְאֶת־עַמּ֖וֹ לָקַ֥ח עִמּֽוֹ׃ (ז) וַיִּקַּ֗ח שֵׁשׁ־מֵא֥וֹת רֶ֙כֶב֙ בָּח֔וּר וְכֹ֖ל רֶ֣כֶב מִצְרָ֑יִם וְשָׁלִשִׁ֖ם עַל־כֻּלּֽוֹ׃ (ח) וַיְחַזֵּ֣ק יְהֹוָ֗ה אֶת־לֵ֤ב פַּרְעֹה֙ מֶ֣לֶךְ מִצְרַ֔יִם וַיִּרְדֹּ֕ף אַחֲרֵ֖י בְּנֵ֣י יִשְׂרָאֵ֑ל וּבְנֵ֣י יִשְׂרָאֵ֔ל יֹצְאִ֖ים בְּיָ֥ד רָמָֽה׃ (ט) וַיִּרְדְּפ֨וּ מִצְרַ֜יִם אַחֲרֵיהֶ֗ם וַיַּשִּׂ֤יגוּ אוֹתָם֙ חֹנִ֣ים עַל־הַיָּ֔ם כָּל־סוּס֙ רֶ֣כֶב פַּרְעֹ֔ה וּפָרָשָׁ֖יו וְחֵיל֑וֹ עַל־פִּי֙ הַֽחִירֹ֔ת לִפְנֵ֖י בַּ֥עַל צְפֹֽן׃ (י) וּפַרְעֹ֖ה הִקְרִ֑יב וַיִּשְׂאוּ֩ בְנֵֽי־יִשְׂרָאֵ֨ל אֶת־עֵינֵיהֶ֜ם וְהִנֵּ֥ה מִצְרַ֣יִם ׀ נֹסֵ֣עַ אַחֲרֵיהֶ֗ם וַיִּֽירְאוּ֙ מְאֹ֔ד וַיִּצְעֲק֥וּ בְנֵֽי־יִשְׂרָאֵ֖ל אֶל־יְהוָֽה׃ (יא) וַיֹּאמְרוּ֮ אֶל־מֹשֶׁה֒ הַֽמִבְּלִ֤י אֵין־קְבָרִים֙ בְּמִצְרַ֔יִם לְקַחְתָּ֖נוּ לָמ֣וּת בַּמִּדְבָּ֑ר מַה־זֹּאת֙ עָשִׂ֣יתָ לָּ֔נוּ לְהוֹצִיאָ֖נוּ מִמִּצְרָֽיִם׃ (יב) הֲלֹא־זֶ֣ה הַדָּבָ֗ר אֲשֶׁר֩ דִּבַּ֨רְנוּ אֵלֶ֤יךָ בְמִצְרַ֙יִם֙ לֵאמֹ֔ר חֲדַ֥ל מִמֶּ֖נּוּ וְנַֽעַבְדָ֣ה אֶת־מִצְרָ֑יִם כִּ֣י ט֥וֹב לָ֙נוּ֙ עֲבֹ֣ד אֶת־מִצְרַ֔יִם מִמֻּתֵ֖נוּ בַּמִּדְבָּֽר׃ (יג) וַיֹּ֨אמֶר מֹשֶׁ֣ה אֶל־הָעָם֮ אַל־תִּירָאוּ֒ הִֽתְיַצְב֗וּ וּרְאוּ֙ אֶת־יְשׁוּעַ֣ת יְהוָ֔ה אֲשֶׁר־יַעֲשֶׂ֥ה לָכֶ֖ם הַיּ֑וֹם כִּ֗י אֲשֶׁ֨ר רְאִיתֶ֤ם אֶת־מִצְרַ֙יִם֙ הַיּ֔וֹם לֹ֥א תֹסִ֛יפוּ לִרְאֹתָ֥ם ע֖וֹד עַד־עוֹלָֽם׃ (יד) יְהוָ֖ה יִלָּחֵ֣ם לָכֶ֑ם וְאַתֶּ֖ם תַּחֲרִישֽׁוּן׃ (פ) (טו) וַיֹּ֤אמֶר יְהוָה֙ אֶל־מֹשֶׁ֔ה מַה־תִּצְעַ֖ק אֵלָ֑י דַּבֵּ֥ר אֶל־בְּנֵי־יִשְׂרָאֵ֖ל וְיִסָּֽעוּ׃ (טז) וְאַתָּ֞ה הָרֵ֣ם אֶֽת־מַטְּךָ֗ וּנְטֵ֧ה אֶת־יָדְךָ֛ עַל־הַיָּ֖ם וּבְקָעֵ֑הוּ וְיָבֹ֧אוּ בְנֵֽי־יִשְׂרָאֵ֛ל בְּת֥וֹךְ הַיָּ֖ם בַּיַּבָּשָֽׁה׃ (יז) וַאֲנִ֗י הִנְנִ֤י מְחַזֵּק֙ אֶת־לֵ֣ב מִצְרַ֔יִם וְיָבֹ֖אוּ אַחֲרֵיהֶ֑ם וְאִכָּבְדָ֤ה בְּפַרְעֹה֙ וּבְכָל־חֵיל֔וֹ בְּרִכְבּ֖וֹ וּבְפָרָשָֽׁיו׃ (יח) וְיָדְע֥וּ מִצְרַ֖יִם כִּי־אֲנִ֣י יְהוָ֑ה בְּהִכָּבְדִ֣י בְּפַרְעֹ֔ה בְּרִכְבּ֖וֹ וּבְפָרָשָֽׁיו׃ (יט) וַיִּסַּ֞ע מַלְאַ֣ךְ הָאֱלֹהִ֗ים הַהֹלֵךְ֙ לִפְנֵי֙ מַחֲנֵ֣ה יִשְׂרָאֵ֔ל וַיֵּ֖לֶךְ מֵאַחֲרֵיהֶ֑ם וַיִּסַּ֞ע עַמּ֤וּד הֶֽעָנָן֙ מִפְּנֵיהֶ֔ם וַיַּֽעֲמֹ֖ד מֵאַחֲרֵיהֶֽם׃ (כ) וַיָּבֹ֞א בֵּ֣ין ׀ מַחֲנֵ֣ה מִצְרַ֗יִם וּבֵין֙ מַחֲנֵ֣ה יִשְׂרָאֵ֔ל וַיְהִ֤י הֶֽעָנָן֙ וְהַחֹ֔שֶׁךְ וַיָּ֖אֶר אֶת־הַלָּ֑יְלָה וְלֹא־קָרַ֥ב זֶ֛ה אֶל־זֶ֖ה כָּל־הַלָּֽיְלָה׃ (כא) וַיֵּ֨ט מֹשֶׁ֣ה אֶת־יָדוֹ֮ עַל־הַיָּם֒ וַיּ֣וֹלֶךְ יְהוָ֣ה ׀ אֶת־הַ֠יָּם בְּר֨וּחַ קָדִ֤ים עַזָּה֙ כָּל־הַלַּ֔יְלָה וַיָּ֥שֶׂם אֶת־הַיָּ֖ם לֶחָרָבָ֑ה וַיִּבָּקְע֖וּ הַמָּֽיִם׃ (כב) וַיָּבֹ֧אוּ בְנֵֽי־יִשְׂרָאֵ֛ל בְּת֥וֹךְ הַיָּ֖ם בַּיַּבָּשָׁ֑ה וְהַמַּ֤יִם לָהֶם֙ חֹמָ֔ה מִֽימִינָ֖ם וּמִשְּׂמֹאלָֽם׃ (כג) וַיִּרְדְּפ֤וּ מִצְרַ֙יִם֙ וַיָּבֹ֣אוּ אַחֲרֵיהֶ֔ם כֹּ֚ל ס֣וּס פַּרְעֹ֔ה רִכְבּ֖וֹ וּפָרָשָׁ֑יו אֶל־תּ֖וֹךְ הַיָּֽם׃ (כד) וַֽיְהִי֙ בְּאַשְׁמֹ֣רֶת הַבֹּ֔קֶר וַיַּשְׁקֵ֤ף יְהוָה֙ אֶל־מַחֲנֵ֣ה מִצְרַ֔יִם בְּעַמּ֥וּד אֵ֖שׁ וְעָנָ֑ן וַיָּ֕הָם אֵ֖ת מַחֲנֵ֥ה מִצְרָֽיִם׃ (כה) וַיָּ֗סַר אֵ֚ת אֹפַ֣ן מַרְכְּבֹתָ֔יו וַֽיְנַהֲגֵ֖הוּ בִּכְבֵדֻ֑ת וַיֹּ֣אמֶר מִצְרַ֗יִם אָנ֙וּסָה֙ מִפְּנֵ֣י יִשְׂרָאֵ֔ל כִּ֣י יְהוָ֔ה נִלְחָ֥ם לָהֶ֖ם בְּמִצְרָֽיִם׃ (פ) (כו) וַיֹּ֤אמֶר יְהוָה֙ אֶל־מֹשֶׁ֔ה נְטֵ֥ה אֶת־יָדְךָ֖ עַל־הַיָּ֑ם וְיָשֻׁ֤בוּ הַמַּ֙יִם֙ עַל־מִצְרַ֔יִם עַל־רִכְבּ֖וֹ וְעַל־פָּרָשָֽׁיו׃ (כז) וַיֵּט֩ מֹשֶׁ֨ה אֶת־יָד֜וֹ עַל־הַיָּ֗ם וַיָּ֨שָׁב הַיָּ֜ם לִפְנ֥וֹת בֹּ֙קֶר֙ לְאֵ֣יתָנ֔וֹ וּמִצְרַ֖יִם נָסִ֣ים לִקְרָאת֑וֹ וַיְנַעֵ֧ר יְהוָ֛ה אֶת־מִצְרַ֖יִם בְּת֥וֹךְ הַיָּֽם׃ (כח) וַיָּשֻׁ֣בוּ הַמַּ֗יִם וַיְכַסּ֤וּ אֶת־הָרֶ֙כֶב֙ וְאֶת־הַפָּ֣רָשִׁ֔ים לְכֹל֙ חֵ֣יל פַּרְעֹ֔ה הַבָּאִ֥ים אַחֲרֵיהֶ֖ם בַּיָּ֑ם לֹֽא־נִשְׁאַ֥ר בָּהֶ֖ם עַד־אֶחָֽד׃ (כט) וּבְנֵ֧י יִשְׂרָאֵ֛ל הָלְכ֥וּ בַיַּבָּשָׁ֖ה בְּת֣וֹךְ הַיָּ֑ם וְהַמַּ֤יִם לָהֶם֙ חֹמָ֔ה מִֽימִינָ֖ם וּמִשְּׂמֹאלָֽם׃ (ל) וַיּ֨וֹשַׁע יְהוָ֜ה בַּיּ֥וֹם הַה֛וּא אֶת־יִשְׂרָאֵ֖ל מִיַּ֣ד מִצְרָ֑יִם וַיַּ֤רְא יִשְׂרָאֵל֙ אֶת־מִצְרַ֔יִם מֵ֖ת עַל־שְׂפַ֥ת הַיָּֽם׃ (לא) וַיַּ֨רְא יִשְׂרָאֵ֜ל אֶת־הַיָּ֣ד הַגְּדֹלָ֗ה אֲשֶׁ֨ר עָשָׂ֤ה יְהוָה֙ בְּמִצְרַ֔יִם וַיִּֽירְא֥וּ הָעָ֖ם אֶת־יְהוָ֑ה וַיַּֽאֲמִ֙ינוּ֙ בַּֽיהוָ֔ה וּבְמֹשֶׁ֖ה עַבְדּֽוֹ׃ (פ)

(1) The LORD said to Moses: (2) Tell the Israelites to turn back and encamp before Pi-hahiroth, between Migdol and the sea, before Baal-zephon; you shall encamp facing it, by the sea. (3) Pharaoh will say of the Israelites, “They are astray in the land; the wilderness has closed in on them.” (4) Then I will stiffen Pharaoh’s heart and he will pursue them, that I may gain glory through Pharaoh and all his host; and the Egyptians shall know that I am the LORD. And they did so. (5) When the king of Egypt was told that the people had fled, Pharaoh and his courtiers had a change of heart about the people and said, “What is this we have done, releasing Israel from our service?” (6) He ordered his chariot and took his men with him; (7) he took six hundred of his picked chariots, and the rest of the chariots of Egypt, with officers in all of them. (8) The LORD stiffened the heart of Pharaoh king of Egypt, and he gave chase to the Israelites. As the Israelites were departing defiantly, (9) the Egyptians gave chase to them, and all the chariot horses of Pharaoh, his horsemen, and his warriors overtook them encamped by the sea, near Pi-hahiroth, before Baal-zephon. (10) As Pharaoh drew near, the Israelites caught sight of the Egyptians advancing upon them. Greatly frightened, the Israelites cried out to the LORD. (11) And they said to Moses, “Was it for want of graves in Egypt that you brought us to die in the wilderness? What have you done to us, taking us out of Egypt? (12) Is this not the very thing we told you in Egypt, saying, ‘Let us be, and we will serve the Egyptians, for it is better for us to serve the Egyptians than to die in the wilderness’?” (13) But Moses said to the people, “Have no fear! Stand by, and witness the deliverance which the LORD will work for you today; for the Egyptians whom you see today you will never see again. (14) The LORD will battle for you; you hold your peace!” (15) Then the LORD said to Moses, “Why do you cry out to Me? Tell the Israelites to go forward. (16) And you lift up your rod and hold out your arm over the sea and split it, so that the Israelites may march into the sea on dry ground. (17) And I will stiffen the hearts of the Egyptians so that they go in after them; and I will gain glory through Pharaoh and all his warriors, his chariots and his horsemen. (18) Let the Egyptians know that I am LORD, when I gain glory through Pharaoh, his chariots, and his horsemen.” (19) The angel of God, who had been going ahead of the Israelite army, now moved and followed behind them; and the pillar of cloud shifted from in front of them and took up a place behind them, (20) and it came between the army of the Egyptians and the army of Israel. Thus there was the cloud with the darkness, and it cast a spell upon the night, so that the one could not come near the other all through the night. (21) Then Moses held out his arm over the sea and the LORD drove back the sea with a strong east wind all that night, and turned the sea into dry ground. The waters were split, (22) and the Israelites went into the sea on dry ground, the waters forming a wall for them on their right and on their left. (23) The Egyptians came in pursuit after them into the sea, all of Pharaoh’s horses, chariots, and horsemen. (24) At the morning watch, the LORD looked down upon the Egyptian army from a pillar of fire and cloud, and threw the Egyptian army into panic. (25) He locked the wheels of their chariots so that they moved forward with difficulty. And the Egyptians said, “Let us flee from the Israelites, for the LORD is fighting for them against Egypt.” (26) Then the LORD said to Moses, “Hold out your arm over the sea, that the waters may come back upon the Egyptians and upon their chariots and upon their horsemen.” (27) Moses held out his arm over the sea, and at daybreak the sea returned to its normal state, and the Egyptians fled at its approach. But the LORD hurled the Egyptians into the sea. (28) The waters turned back and covered the chariots and the horsemen—Pharaoh’s entire army that followed them into the sea; not one of them remained. (29) But the Israelites had marched through the sea on dry ground, the waters forming a wall for them on their right and on their left. (30) Thus the LORD delivered Israel that day from the Egyptians. Israel saw the Egyptians dead on the shore of the sea. (31) And when Israel saw the wondrous power which the LORD had wielded against the Egyptians, the people feared the LORD; they had faith in the LORD and His servant Moses.

My grandfather noticed that the predominant phrase in chapter 12 is 'exodus from the LAND OF EGYPT' while the predominant phrase in the subsequent chapters is no longer an exodus from the land but from Egypt itself. The week-long journey represents the process from ridding themselves of a physical idea vs. ridding them of a a concept, the 'Egypt within them'.

Perhaps the week is meant to encourage us to go on our own journey from physical to spiritual, ridding us of the Egypt influence from within us and reaching a more perfect state of our relationship with God.