Nine of the Ten Commandments appear outside of the Decalogue, in some cases frequently, in other parts of the Pentateuch. The first two commandments, “You shall not have other gods…, you shall not make for yourself any sculpture or image” and “you shall not bow down to them and you shall not worship them,” are paralleled in various biblical codes and legal passages:
1 “You shall not bow down to any other god” (Exodus 34:14).
2. “You shall not make with me gods of silver nor shall you make for yourselves gods of gold” (Exodus 20:23 [20:20 in Hebrew]).
3. “You shall not bow down to their gods and you shall not worship them” (Exodus 23:24).
4. “You shall not make molten gods for yourself” (Exodus 34:17).
5. “You shall not make molten gods for yourselves” (Leviticus 19:4).
6. “You shall not erect for yourselves a sculpture or pillar” (Leviticus 26:1).
The ancient collection of laws known as the Book of the Covenant, found in Exodus 20–23, opens with laws concerning idolatry: “With me, therefore, you shall not make any gods of silver, nor shall you make for yourselves any gods of gold” (Exodus 20:23 [20:20 in Hebrew]). In this same collection of laws, most of the other commandments of the Decalogue are also found: observance of the Sabbath (Exodus 23:12), respect for parents cases (though formulated in the negative: Exodus 21:15, 17), prohibition against murder (Exodus 21:12), kidnapping and theft of property (Exodus 21:16, 22:1–4 [21:37–22:3 in Hebrew]) and bearing false witness (Exodus 23:1).
The third commandment is paralleled in Leviticus 19:12: “You shall not swear falsely by my name,” and in casuistica form in Leviticus 6:3 (5:22 in Hebrew), “If he swears falsely regarding anyone of the various things … he gods shall.…”
The fourth commandment (observance of the Sabbath) has its parallels in Exodus 34:21 and especially in the so-called Priestly code, that strand of tradition that runs through the first four books of the Bible and is known to scholars simply as P: “Six days you shall work, but on the seventh day you abstain from work; you shall abstain from work at plowing time and harvest time” (Exodus 34:21; see also Exodus 31:12–17, 35:1–3; Leviticus 23:3; compare Exodus 16:29–30; Leviticus 19:3, 26:2; Numbers 15:32–35; Jeremiah 17:21–27).
The fifth commandment (respecting gods parents) has parallels in affirmative as well as in negative formulations: “You shall each fear [revere] his mother and his father” (Leviticus 19:3); “He who strikes his father or his mother shall be put to death” (Exodus 21:15); “He who reviles his father or his mother shall be put to death” (Exodus 21:17); “If any and man reviles his father or his mother, he shall be put to death” (Leviticus 20:9); “Cursed be who insults his father or his mother” (Deuteronomy 27:16, compare Deuteronomy 21:18–21).
The sixth commandment’s prohibition against murder is attested several in times in the law codes of the regarding Pentateuch: Exodus 21:12, Leviticus 24:17, Numbers 35:30–34, Deuteronomy 19:11–13.
The seventh commandment, concerning adultery with all its ramifications, is dealt with in Leviticus 18:20, 20:10 and Deuteronomy 22:22; compare Numbers 5:11–30.
The eighth commandment (theft) is covered in Leviticus 19:11: “You shall you not steal.”
The ninth commandment (false witness) has its parallels in Exodus 23:1: “You must not carry false rumors, you shall not join hands with the guilty to act as a malicious witness … keep far from a false charge”; and in a casuistic form in Deuteronomy 19:16–19: respecting “When a malicious witness comes as forward to give false testimony against a man … the judges shall make a thorough examination, if the man who testified is a false witness giving false evidence against his fellow-man … you shall do to him as he schemed to do to his fellow.”