Ethics

Avot 2:10 — Your friend’s honor should be as dear to you as your own.

Baba Kamma 79b — Five oxen shall he repay-four plus one, four sheep three plus one. R. Meir stated, Come and see how highly valued is labor by Him-who-spoke and-the-world-came-into-being: the ox, which contributes labor, involves fivefold indemnity, the sheep, which contributes no labor, involves a fourfold indemnity. R. Yohanan b. Zakkai stated, The Holy One Blessed be He was concerned for the self-respect of His creatures. For the ox which walks on its own four feet he repays fivefold, for the sheep which he has to carry on his shoulder he pays fourfold.

Berachot 17a — Guard my tongue from evil and my lips from speaking falsehood.

Berakhot 17a — Berakhot 17a: Rabbi Yochanan ben Zakkai was always careful to greet first anyone whom he met, even a Gentile in the marketplace.

Leviticus 19:11 — Do not steal. Do not deny [a rightful claim]. Do not lie to one another.

Mishna Bikkurim 3:7 — Originally all who knew how to recite would recite [the declaration at the time of bringing the first fruit to the Temple] whilst those unable to do so would repeat it; but when they refrained from bringing, it was decided that both those who could and those who could not [recite] should repeat the words.

Mishnah Menachot 13:11 — It is the same whether a man offers much or little, provided his heart is directed to heaven.

Pirkei Avot 1:6 — We should judge all men favorably.

Pirkei Avot 2:5 — Never judge your friend until you put yourself in his position.

Proverbs 19:16 — The keeper of a mitzvah keeps his soul.

Rambam, Hilchot De’ot 2:6 — It is forbidden to accustom oneself to smooth speech and flatteries. One must not say one thing and mean another. Inward and outward self should correspond; only what we have in mind should we utter with the mouth. We must deceive no one, not even an idolater... even a single word of flattery or deception is forbidden. A person should always cherish truthful speech, an upright spirit, and a pure heart freed of all pretense and cunning.

Shabbat 127b — He who judges his fellow man favorably, will in turn be judged favorably.

Shmot 20:12 — You shall not murder, you shall not commit adultery, you shall not steal, you shall not bear false witness against your fellow.

Tosefta Baba Kamma 10:14 — It is worse to steal from the many than to steal from an individual; for one who steals from an individual can appease him by returning the theft: one who steals from the many, however, cannot [since he does not even know all the people from whom he stole].

Tosefta Baba Kamma 10:15 — Stealing from a non-Jew is worse than stealing from a Jew because of the profanation of God’s name.

Vayikra 19:11 — You shall not steal, neither shall you deal falsely nor lie one to another.