Do not seek revenge or bear a grudge against one of your people, but love your neighbor as yourself. I am the Lord. Leviticus 19:18 NIV

So in everything, do to others what you would have them do to you, for this sums up the law and the Prophets. Matthew 7:12 NIV

Do to others as you would have them do to you. Luke 6:31 NIV

The entire law is summed up in a single command: Love your neighbor as yourself. Galatians 5:14 NIV