The Golden Rule
Brahmanism
This is the sum of duty: do naught unto others which would cause you pain if done to you. Mahabharata, 5, 1517
Buddhism
Hurt not others in ways that you yourself would find hurtful. Udana-Varga, 5, 18
Confucianism
Is there one maxim which ought to be acted upon throughout one's whole life? Surely it is the maxim of loving-kindness: do not unto others what you would not have them do unto you. Analects, 15, 23
Taoism
Regard your neighbor's gain as your own gain, and your neighbor's loss as your own loss. T'ai Shang kan Ying P'ien
Zoroastrianism
That nature alone is good which refrains from doing unto another whatsoever is not good for itself. Dadistan-I-dinik, 94, 5
Judaism
What is hateful to you, do not to your fellowman. That is the entire law; all the rest is commentary. Talmud, Shabbat, 31a
Christianity
All things whatsoever ye would that men should do to you, do ye even so to them: for this is the law and the prophets. Matthew, 7, 12
Islam
No one of you is a believer until he desires for his brother that which he desires for himself. Sunnah