Wisdom is better than weapons of war, but one sinner destroys much good.
Solomon still recommends wisdom to us as necessary to the preserving of our peace and the perfecting of our business, notwithstanding the vanities and crosses which human affairs are subject to. He had said (Ecc 9:11), Bread is not always to the wise; yet he would not therefore be thought either to disparage, or to discourage, wisdom, no, he still retains his principle, that wisdom...
Commenting on Ecclesiastes 9:13-18
Wisdom is better than weapons of war,.... And does what they cannot do; of which the wisdom of the poor wise man is a full proof, which delivered the city from a potent prince, when weapons of war could not: see Ecc 7:10; but one sinner destroyeth much good: his own soul by his sins, and the souls of others by his counsels, example, and...
one sinner, &c.-- (Jos 7:1, Jos 7:11-12). Though wisdom excels folly (Ecc 9:16; Ecc 7:19), yet a "little folly (equivalent to sin) can destroy much good," both in himself (Ecc 10:1; Jam 2:10) and in others. "Wisdom" must, from the antithesis to "sinner," mean religion.