Verse from 1 Thessalonians

你们要注意，不管是谁都不要以恶报恶，却要在彼此相处和对待众人这方面，常常追求良善。(帖撒罗尼迦前书 5:15)

Make sure that nobody pays back wrong for wrong, but always strive to do what is good for each other and for everyone else. (1 Thessalonians 5:15)