Matthew 5:36-39

36Neither shalt thou swear by thy head, because thou canst not make one hair white or black.

37But let your word be Yea, yea; Nay, nay; but what is more than these is from evil.

38Ye have heard that it has been said, Eye for eye and tooth for tooth.

39But I say unto you, not to resist evil; but whoever shall strike thee on thy right cheek, turn to him also the other;