Riddle by Agur
Source: Nav
Proverbs 30:15, 16, 18–31
The leech has two daughters: Give and Give. There are three things that are never satisfied, four that never say, ‘Enough!’: / Sheol, the barren womb, land never satisfied with water, and fire that never says, ‘Enough!’ / There are three things too wonderful for me, four that I cannot understand: