Ecclesiastes 10:2
A wise man's heart is at his right hand; but a fool's heart at his left.
Proverbs 14:8
The wisdom of the prudent is to understand his way: but the folly of fools is deceit.
Proverbs 17:16
Why is there a price in the hand of a fool to get wisdom, seeing he has no heart for it?
Ecclesiastes 9:10
Whatsoever your hand finds to do, do it with your might; for there is no work, nor device, nor knowledge, nor wisdom, in the grave, where you go.
Ecclesiastes 10:10
If the iron is blunt, and he does not sharpen the edge, then must he use more strength: but wisdom helps one to succeed.
Ecclesiastes 10:14
A fool also is full of words: a man cannot tell what shall be; and what shall be after him, who can tell him?
Luke 12:18-20
And he said, This will I do: I will pull down my barns, and build greater; and there will I store all my crops and my goods.
Luke 14:28-32
For which of you, intending to build a tower, sits not down first, and counts the cost, whether he has enough to finish it?