Matthew 5:36-38

King James Version

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

³⁷ But let your communication be, Yea, yea; Nay, nay: for whatsoever is more than these cometh of evil.

³⁸ Ye have heard that it hath been said, An eye for an eye, and a tooth for a tooth: