He that tells a tale to a fool speaks to one in a slumber: when he has told his tale, he will say, What is the matter?
KJV
Sirach 22:8
He that telleth a tale to a fool speaketh to one in a slumber: when he hath told his tale, he will say, What is the matter?
Parallel Translations
He who teaches a fool is as one who teaches a man who slumbers. In the end he will say, “What is it?”