Pirkei Avot §avot_01_11: Abtalion used to say: Sages be careful with your words, lest you incur the pe...

Abtalion used to say: Sages be careful with your words, lest you incur the penalty of exile, and be carried off to a place of evil waters, and the disciples who follow you drink and die, and thus the name of heaven becomes profaned.