Matthew 7:12
Do to others whatever you would wish them to do to you; for that is the teaching of both the Law and the Prophets.
Romans 1:30
They became back-biters, slanderers, impious, insolent, boastful. They devised new sins. They disobeyed their parents.
Romans 12:17
Never return injury for injury. Aim at doing what all men will recognize as honorable.
Romans 13:10
Love never wrongs a neighbor. Therefore Love fully satisfies the Law.
Titus 3:2
to be forbearing, and under all circumstances to show a gentle spirit in dealing with others, whoever they may be.
James 4:11
Do not disparage one another, Brothers. He who disparages his Brother, or passes judgment on his Brother, disparages the Law and passes judgment on the Law. But, if you pass judgment on the Law, you are not obeying it, but judging it.
1 Peter 2:1-2
Now that you have done with all malice, all deceitfulness, insincerity, jealous feelings, and all back-biting,
3 John 1:11
Dear friend, take what is good for your example, not what is bad. The man who does what is good is from God; the man who does what is bad has never seen God.