Sirach 22:7-9

Douay-Rheims 1899 American Edition

⁷ He that teacheth a fool, is like one that glueth a potsherd together.

⁸ He that telleth a word to him that heareth not, is like one that waketh a man out of a deep sleep.

⁹ He speaketh with one that is asleep, who uttereth wisdom to a fool: and in the end of the discourse he saith: Who is this?