Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
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Sirach 21:15

If a man of knowledge hears a wise word, he will commend it and add to it. The wanton man hears it, and it displeases him, so he throws it away behind his back.

Parallel Translations

LXXView canonical →
If a skilful man hear a wise word, he will commend it, and add unto it: but when one of no understanding heareth it, it displeaseth him, and he casteth it behind his back.
Brenton's Septuagint Translation
LXX2012View canonical →
If a skillful man hear a wise word, he will commend it, and add to it: but as soon as one of no understanding hears it, it displeases him, and he casts it behind his back.
Septuagint in American English (2012)
KJVView canonical →
If a skilful man hear a wise word, he will commend it, and add unto it: but as soon as one of no understanding heareth it, it displeaseth him, and he casteth it behind his back.
King James Version