There are many sources for the Golden Rule:

!!! Ancient Greek and Roman Philosophy
->''"What I condemn in another I will, if I may, avoid myself."''
-->'''Creator/{{Herodotus}}''', writing in the 400s BCE

->''"Avoid doing what you would blame others for doing."''
-->'''Thales of Miletus'''

->''" What you wish your neighbors to be to you, such be also to them."''
-->'''Sextus the Pythagorean'''

->''"Do not do to others what would anger you if done to you by others."''
-->'''Isocrates'''

->''"What thou avoidest suffering thyself seek not to impose on others."''
-->'''Epictetus'''

->''"[[NiceToTheWaiter Treat your inferiors as you would be treated by your superiors]]"''
-->'''Seneca''', Epistle 47:11

!!! Bahai
->''"And if thine eyes be turned towards justice, choose thou for thy neighbour that which thou choosest for thyself"''
-->'''Baha'u'llah''', ''Epistle to the Son of the Wolf''

!!! Hinduism / Brahmanism
->''"This is the sum of Dharma [duty]: Do naught unto others which would cause you pain if done to you".''
-->''Literature/{{Mahabharata}}'', 5:1517

!!! Buddhism
->''"...a state that is not pleasing or delightful to me, how could I inflict that upon another?"''
-->''Samyutta Nikaya'', v. 353

->''"Hurt not others in ways that you yourself would find hurtful."''
-->''Udanavarga'', 5:18

!!! Christianity: Literature/TheGospels
->''"Therefore all things whatsoever ye would that men should do to you, do ye even so to them: for this is the law and the prophets."''
-->Matthew 7:12

->''"Love thy neighbor as thyself."''
-->Matthew 22:39

->''"Do unto others as you would have done unto you."''
-->Luke 6:31

!!! Christianity: Other parts of Literature/TheBible

->''"For the whole law can be summed up in this one command: "Love your neighbor as yourself.""''
-->Galatians 5:14

!!! Confucianism
->''"Never impose on others what you would not choose for yourself."''
-->'''Creator/{{Confucius}}''', ''Analects'', XV.24

->''"Tse-kung asked, 'Is there one word that can serve as a principle of conduct for life?' Confucius replied, 'It is the word 'shu' -- reciprocity. Do not impose on others what you yourself do not desire.'"''
-->''Doctrine of the Mean'', 13.3

!!! Islam
->''"That which you want for yourself, seek for mankind."''
-->''Hadith Sukhanan-i-Muhammad''

->''"Fear God wherever you tread, erase bad deeds with good ones, and be kind to mankind."''
-->'''TheProphetMuhammad''', ''Hadith Sunan al-Tirmidhi''

->''"...if anyone slays a human being-unless it be [in punishment] for murder or for spreading corruption on earth-it shall be as though he had slain all mankind; whereas, if anyone saves a life, it shall be as though he had saved the lives of all mankind..."''
-->Literature/TheQuran, 5:32

!!! Judaism
->''"Love thy neighbor as thyself."''
-->[[Literature/TheBible Leviticus]] 19:18.[[note]]Literature/TheTalmud states that this is "the greatest rule in the Torah".[[/note]]

->''"What is hateful to thee, do not unto thy fellow; this is the whole law."''
-->Literature/TheTalmud, Tractate Shabat, 30a

!!! Moral Philosophy
->''"Act in such a way that you treat humanity, whether in your own person or in the person of any other, never merely as a means to an end, but always at the same time as an end."''
-->'''Immanuel Kant''', second formulation of the categorical imperative

->''"Act only according to that maxim whereby you can at the same time will that it should become a universal law."''
-->'''Immanuel Kant''', first formulation of the categorical imperative - according to Kant, this quote has the same meaning as the quotes above.

!!! Music
-> "Whatever belief you belong to,\\
there's still always a reason to doubt\\
And there's always another opinion,\\
as to what life is all about [...]\\
There's only one thing to remember,\\
there is only one thing you can do:\\
And that is to do unto others,\\
as you'd have others do unto you"\\
--> '''Clawfinger''', ''[[http://www.youtube.com/watch?v=2gv4cPCZXpc Two Sides (of every story)]] (ca 2000 AD)''