Matthew 7 12
Treat others the way you want them to treat you. This sums up the law and the prophets.
Compare with other 3 random translations
EAS Matthew 7:12So do the good things for other people that you would want them to do for you. That is true in everything you do. That is what God's Law and the messages of God's prophets teach us.’
YLT Matthew 7:12'All things, therefore, whatever ye may will that men may be doing to you, so also do to them, for this is the law and the prophets.
NIV Matthew 7:12So in everything, do to others what you would have them do to you, for this sums up the Law and the Prophets.