Baha'i 'Blessed is he who preferreth his brother before himself.' BAHA'ULLAH, Tablets of Baha'ullah, 71
Buddism 'Hurt not others in ways that you yourself would findhurtful.' UDANA-VARGA, 5:18
Christianity 'All things whatsoever ye would that men should do to you, do ye even so to them.' JESUS, Matthew 7:12
Confucianism 'Do unto other what would have them do unto you.' Analects 15:23
Hinduism 'This is the sum of duty: do naught unto others which would cause you pain if done to you.' Mahabharata5:1517
Islam 'No one of you is a believer until he desires for his brother that which he desires for himself.' SUNNAH
Jainism 'In happiness and suffering, in joy and grief, we sbould regard all creatures as we regard our own self.' LORD MAHAVIRA, 24thTirthankara
Judaism 'What is hateful to you, do not to your fellowman. That is the law: all the rest is commentary.' Talmud, Shabbat 31a
Native American 'Respect for all life is the foundation.' The Great Law of Peace
Sikhism 'Don't create enmity with anyone as God is within evreryone.' Guru Arjan Devji 259,GuruGranthSahib
Zoroastrianism 'That nature only is good when it shall not do unto another whatever is not good for its own self.' Dadistan-i-Dinik, 94:5
And of course my favorites:
'An it harm none do what thou will.'
Love is the Law, Love under Will.