"We must treat others as we wish others to treat us."
The Declaration Toward a Global Ethic from the Parliament of the World's Religions proclaimed the Golden Rule as the common principle for many religions. The Declaration was signed by over 200 respected leaders from all of the world's major faiths.
"An eye for an eye makes the whole world blind."
"Oh, do as you would be done by. And do unto all men as you would have them do unto you, for this is but the law and the prophet."