Ecclesiastes 10:2
A man's heart is at his right hand; but a fool's heart at his left.
Proverbs 14:8
The wisdom of the wise 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, since he has no heart for it?
Ecclesiastes 9:10
Whatever your hand finds to do, do it with all your might; for there is no work, nor plan, nor knowledge, nor wisdom, in the grave where you go.
Ecclesiastes 10:10
If the iron is blunt, and he does not whet the edge, then he must put more strength to it. But wisdom is profitable to direct.
Ecclesiastes 10:14
A fool also makes many words; a man knows not what they shall be; and what shall be after him, who can tell him?
Luke 12:18-20
And he said, I will do this. I will pull down my barns and build bigger ones, and I will store all my fruits and my goods there.
Luke 14:28-32
For which of you, intending to build a tower, does not sit down first and count the cost, whether he may have enough to finish it;