Proverbs 30:15-16 NIV

15 "The leech has two daughters. 'Give! Give!' they cry. "There are three things that are never satisfied,1 four that never say, 'Enough!':

References for Proverbs 30:15

16 the grave,a2 the barren womb, land, which is never satisfied with water, and fire, which never says, 'Enough!'

References for Proverbs 30:16