Ben Sira 22:7

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

Ben Sira 22:7 In-Context

5 She that is bold shameth both her father and husband, and will not be inferior to the ungodly: and shall be disgraced by them both.

6 A tale out of time is like music in mourning: but the stripes and instruction of wisdom are never out of time.

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?