Online Bible Commentary on Matthew 7:12. All things therefore whatsoever ye would that men should do unto you, even so do ye also unto them: for this is the law and the prophets.

Isaiah 49:7. Thus saith the LORD, the Redeemer of Israel, [and] his Holy One, to him whom man despiseth, to him whom the nation abhorreth, to a servant of rulers, Kings shall see and arise, princes also shall worship, because of the LORD that is faithful, [and] the Holy One of Israel, and he shall choose thee.


http://qbible.com/comments/matthew/7-12.html