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 sane is to understand his way, but the folly of fools is deceit.
Proverbs 17:16
Of what good is the price to buy wisdom in the hand of the fool, seeing he has no heart to understand?
Ecclesiastes 9:10
Whatever thy hand finds to do, do it with all thy might, for there is no work nor device nor knowledge nor wisdom in Sheol, where thou goest.
Ecclesiastes 10:10
If the iron is blunt, and he does not whet the edge, then he must put forth more strength, but the advantages of wisdom excel.
Ecclesiastes 10:14
The fool multiplies words and says, 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 storehouses and build greater, and there will I bestow all my fruits and my goods.
Luke 14:28-32
For which of you intending to build a tower does not sit down first and count the cost, whether he has sufficient to finish it?