Matthew 5:36-38

21st Century 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’ or ‘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.’