Ecclesiastes 10:10
KJV
If the iron be blunt, and he do not whet the edge, then must he put to more strength: but wisdom is profitable to direct.
NASB
If the axe is dull and he does not sharpen its edge, then he must exert more strength. Wisdom has the advantage of bringing success.
Scripture quotations taken from the (NASB®) New American Standard Bible®, Copyright © 1960, 1971, 1977, 1995, 2020 by The Lockman Foundation. Used by permission. All rights reserved. www.Lockman.org