Matthew 7:12
Then you must practice dealing with others as you would like for them to deal with you, for this is the summing up of the law and the prophets.
Romans 13:8
Stop owing anybody anything, except the obligation to love one another, for whoever practices loving others has perfectly satisfied the law.
Philippians 4:8
Now, brothers, practice thinking on what is true, what is honorable, what is right, what is pure, what is lovable, what is high-toned, yes, on everything that is excellent or praiseworthy.
1 Thessalonians 4:6
that no one should do wrong and defraud his brother in this matter, because the Lord takes vengeance for all such things, as we told you before and solemnly warned you.