Christianity:
All things whatsoever ye would that men should do to you, do ye so to them; for this is the law and the prophets.
--Matthew 7:1
Confucianism:
Do not do to others what you would not like yourself. Then there will be no resentment against you, either in the family or in the state.
--Analects 12:2
Buddhism:
Hurt not others in ways that you yourself would find hurtful.
--Udana-Varga 5,1
Hinduism:
This is the sum of duty; do naught unto others what you would not have them do unto you.
--Mahabharata 5,1517
Islam:
No one of you is a believer until he desires for his brother that which he desires for himself.
--Sunnah
Judaism:
What is hateful to you, do not do to your fellowman. This is the entire Law; all the rest is commentary.
--Talmud, Shabbat 3id
Taoism:
Regard your neighbor’s gain as your gain, and your neighbor’s loss as your own loss.
--Tai Shang Kan Yin P’ien
Zoroastrianism:
That nature alone is good which refrains from doing to another whatsoever is not good for itself.
--Dadisten-I-dinik, 94,5
The Golden Rule in World Religions