Buddhism
Hurt not others in ways that you yourself would find hurtful. Udana-Varga 5,1
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
Hinduism
This is the sum of duty; do naught onto 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 another whatsoever is
not good for itself. Dadisten-I-dinik, 94,5