Proverbs 27:19-21

Complete Jewish Bible

¹⁹ Just as water reflects the face,
    so one human heart reflects another.
²⁰ Sh’ol and Abaddon are never satisfied,
    and human eyes are never satisfied.

²¹ The crucible [tests] silver, and the furnace [tests] gold,
    but a person [is tested] by [his reaction to] praise.