Jude 1:11-12

Woe unto them! for they went in the way of Cain, and ran riotously in the error of Balaam for hire, and perished in the gainsaying of Korah. These are they who are hidden rocks in your love-feasts when they feast with you, shepherds that without fear feed themselves; clouds without water, carried along by winds; autumn trees without fruit, twice dead, plucked up by the roots