7 Noahide Laws

Rabbi Ḥananya ben Gamla says: The descendants of Noah are also commanded concerning the prohibition against consuming the blood from a living animal. Rabbi Ḥideka says: They are also commanded concerning castration, i.e., they are prohibited to castrate any living animal. Rabbi Shimon says: They are also commanded concerning the prohibition against engaging in sorcery. Rabbi Yosei says: With regard to every type of sorcery that is stated in the passage about sorcery, it is prohibited for a descendant of Noah to engage in it. This is derived from the verses: “When you come into the land that the Lord your God gives you, you shall not learn to do like the abominations of those nations. There shall not be found among you one who makes his son or his daughter pass through the fire, a diviner, a soothsayer, or an enchanter, or a warlock, or a charmer, or one who consults a necromancer and a sorcerer, or directs inquiries to the dead. For whoever does these things is an abomination to the Lord; and because of these abominations, the Lord your God is driving them out from before you” (Deuteronomy 18:9–12). Evidently, the Canaanites were punished for these practices; and since God would not have punished them for an action unless He first prohibited it, these practices are clearly prohibited to gentiles. Rabbi Elazar says: The descendants of Noah were also commanded concerning the prohibition of diverse kinds. Nevertheless, it is permitted for the descendants of Noah to wear diverse kinds of wool and linen and to sow diverse kinds of seeds together, and they are prohibited only with regard to breeding diverse species of animals and grafting diverse species of trees. § The Gemara asks: From where are these matters, the Noahide mitzvot, derived? Rabbi Yoḥanan says: It is from that which the verse states: “And the Lord God commanded the man, saying: Of every tree of the garden you may freely eat; but from the tree of the knowledge of good and evil, you shall not eat from it, for on the day that you eat from it, you shall die” (–17). The verse is interpreted homiletically as follows: With regard to the term “and…commanded,” these are the courts of judgment; and so it states in another verse: “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 do righteousness and justice” (Genesis 18:19). With regard to the term “the Lord,” this alludes to blessing the name of God; and so it states in another verse: “And he who blasphemes the name of the Lord…shall be put to death” (Leviticus 24:16). “God,” this alludes to idol worship; and so it states: “You shall have no other gods before Me” (Exodus 20:2). “The man,” this alludes to bloodshed; and so it states: “One who sheds the blood of man, by man his blood shall be shed” (Genesis 9:6). With regard to the term “saying,” this alludes to forbidden sexual relations; and so it states: “Saying, if a man sends his wife, and she goes from him and becomes another man’s…will that land not be greatly polluted? But you have played the harlot with many lovers” (Jeremiah 3:1). “Of every tree of the garden” alludes to the fact that one may partake only of items that are permitted to him, as they belong to him, and he may not partake of stolen items. “You may freely eat” alludes to the fact that one may eat fruit, but not a limb from a living animal. When Rav Yitzḥak came from Eretz Yisrael to Babylonia, he taught two of the expositions in the opposite order: “And…commanded,” this alludes to idol worship. “God,” this alludes to courts of judgment. The Gemara asks: Granted, the source for the exposition: “God [Elohim],” this alludes to courts of judgment, is clear; as it is written: “Then the master of the house shall come near the judges [ha’elohim]” (Exodus 22:7). Evidently, judges are called elohim. But with regard to the exposition: “And…commanded,” this alludes to idol worship, from where is this inferred? Rav Ḥisda and Rav Yitzḥak bar Avdimi both give answers to this question. One of them says that it is inferred from the verse: “They have turned aside quickly out of the way that I commanded them; they have made them a molten calf” (Exodus 32:8). The word “commanded” is mentioned here in the context of idol worship. And the other one says that it is inferred from the verse: “Ephraim is oppressed, crushed in justice, because he willingly went after filth [tzav]” (Hosea 5:11). The word tzav, used in this context in reference to idol worship, is the same Hebrew word used in the phrase: “And…commanded [vaytzav].”

(23) And in the twenty-eighth jubilee Noah began to enjoin upon his sons' sons the ordinances and commandments, and all the judgments that he knew,

(24) and he exhorted his sons to observe righteousness, and to cover the shame of their flesh, and to bless their Creator, and honour father and mother, and love their neighbour, and guard their souls from fornication and uncleanness and all iniquity.

Ulla said: Bnei Noach accepted 30 mitzvos

It is not stated [explicitly] what these [30 mitzvos] are, or where they are derived from.

...in the future, Bnei Noach will accept 30 mitzvos upon themselves.

(1) Adam, the first man, was commanded with six commandments: 1) idolatry, 2) “blessing” (euphemistically) the Name (of G-d), 3) murder, 4) illicit sexual relations, 5) thievery and, 6) establishing a system of justice. Even though all of these have been received as a Tradition from Moses our Teacher and we can understand the rationale for them, nevertheless, from (verses in) the Torah (we learn that) it was these that they were commanded. A seventh commandment forbidding the eating of a limb torn from a live animal was added for Noah, as it says, “Even flesh, life is in the blood, do not eat of it” (Genesis 9:4). These commandments were universally applicable - until Abraham. With Abraham, circumcision was also commanded and he prayed Shacharis (the Morning Prayer). Isaac separated out a tithe and added another prayer in the afternoon and, with Jacob, the prohibition against eating the sciatic nerve was added, as was the Maariv (Evening) Prayer. In Egypt, Amram was commanded with other precepts. Ultimately, Moses came, and the Torah was completed with him.

(11) Anyone who accepts upon himself and carefully observes the Seven Commandments is of the Righteous of the Nations of the World and has a portion in the World to Come. This is as long as he accepts and performs them because (he truly believes that) it was the Holy One, Blessed Be He, Who commanded them in the Torah, and that is was through Moses our Teacher we were informed that the Sons of Noah had already been commanded to observe them. But if he observes them because he convinced himself logically⁸¹By his own intellect and conscience, but he does not agree that they were commanded by G-d., then he is not considered a Resident Convert and is not of the Righteous of the Nations of the World, but merely one of their wise.