Sirach 21:15 in 1 translation
Every translation here words this verse identically, which is itself worth knowing — there is no interpretive fork to weigh.
Early modern English
Seventeenth-century wording and sentence shape. Familiar, rhythmic, and the version most quotations you have heard are taken from.
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.
1611 / 1769 · Public domain · The Authorised Version, revised to the 1769 Blayney text. Includes the Apocrypha as printed in 1611.
The verses either side
King James text. A comparison is easier to judge when you can see the sentence the verse sits inside.
Not shown for this verse: American Standard Version, Darby Bible, Young's Literal Translation, World English Bible, Open English Bible (US), Open English Bible (Commonwealth), Bible in Basic English. Most modern translations do not include the Apocrypha.