Ecclesiastes 10:2

A wise man's heart is at his right hand; but a fool's heart is 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 hath no heart to it?

Ecclesiastes 9:10

Whatever thy hand findeth to do, do it with thy might; for there is no work, nor device, nor knowledge, nor wisdom, in the grave, whither thou goest.

Ecclesiastes 10:10

If the iron is blunt, and he doth not whet the edge, then must he use more strength: but wisdom is profitable to direct.

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 deposit all my fruits and my goods.

Luke 14:28-32

For which of you intending to build a tower, sitteth not down first, and counteth the cost, whether he hath sufficient to finish it?

Treasury of Scripture Knowledge

Summary

A wise man's heart is at his right hand; but a fool's heart at his left.

General references

Bible References

But

Ecclesiastes 10:10
If the iron is blunt, and he doth not whet the edge, then must he use more strength: but wisdom is profitable to direct.
Proverbs 17:16
Why is there a price in the hand of a fool to get wisdom, seeing he hath no heart to it?
Luke 12:18
And he said, This will I do: I will pull down my barns, and build greater; and there will I deposit all my fruits and my goods.

General references

1 Kings 12:8
But he forsook the counsel of the old men, which they had given him, and consulted with the young men that had grown up with him, and who stood before him: