Proverbs 25:18-20

World English Bible

¹⁸ A man who gives false testimony against his neighbor
    is like a club, a sword, or a sharp arrow.
¹⁹ Confidence in someone unfaithful in time of trouble
    is like a bad tooth or a lame foot.
²⁰ As one who takes away a garment in cold weather,
    or vinegar on soda,
    so is one who sings songs to a heavy heart.