Proverbs 25:18-20

Common English Bible

¹⁸ People who testify falsely against their neighbors
    are like a club, sword, and sharpened arrow.
¹⁹ Trusting a treacherous person at a difficult time
    is like having a bad tooth or a wobbly foot.
²⁰ Singing a song to a troubled heart
    is like taking off a garment on a cold day
    or putting vinegar on a wound.^[a]