The Golden Rule

Do unto others as you would have them do unto you, for this is the law and the prophets. - Christianity

What is hurtful to yourself do not to your fellow man. That is the whole of the Torah and the remainder is but commentary. - Judaism

Do unto all men as you would they should unto you, and reject for others what you would reject for yourself. - Islam

Hurt not others with that which pains yourself. - Buddhism

Tzu Kung asked: "Is there any one principle upon which one's whole life may proceed?" Confucious replied: "Is not Reciprocity such a principle? - what you do not yourself desire, do not put before others."  - Confucianism

This is the sum of all true righteousness -

Treat others as thou wouldst thyself be treated.

Do nothing to thy neighbor, which hereafter

Thou wouldst not have thy neighbor do to thee.

     - Hinduism

Treat others as thou wouldst be treated thyself. - Sikhism

A man should wander about treating all creatures as he himself would be treated. - Jainism

Regard your neighbor's gain as your gain; and regard your neighbor's loss as your loss, even as though you were in their place. - Taoism

Ascribe not to any soul that which thou wouldst not have ascribed to thee. - Baha'i

Taken from: Oneness - Great Principles Shared By All Religions   Jeffrey Moses