Ecclesiastes 1:18

1:18 For with great wisdom comes great frustration;

whoever increases his knowledge merely increases his heartache.

Ecclesiastes 9:13

Most People Are Not Receptive to Wise Counsel

9:13 This is what I also observed about wisdom on earth,

and it is a great burden to me:

Ecclesiastes 9:16

9:16 So I concluded that wisdom is better than might,

but a poor man’s wisdom is despised; no one ever listens to his advice.

Ecclesiastes 9:18

9:18 Wisdom is better than weapons of war,

but one sinner can destroy much that is good.

Ecclesiastes 10:10

10:10 If an iron axhead is blunt and a workman does not sharpen its edge,

he must exert a great deal of effort;

so wisdom has the advantage of giving success.