Ecclesiastes 10:2

The heart of the wise one to his right, and the heart of the foolish one to his left.

Proverbs 14:8

The wisdom of the prudent is to understand his way: and the folly of the foolish is deceit

Proverbs 17:16

Wherefore this a price in the hand of the foolish one to obtain wisdom, and no heart?

Ecclesiastes 9:10

All which thy hand shall find to do, with thy strength, do thou; for no work and understanding and knowledge and wisdom, in hades where thou goest there.

Ecclesiastes 10:10

If the iron became dull and he polished not the face, and he will strengthen the forces: and wisdom will make preeminence to prosper.

Ecclesiastes 10:14

And the foolish one will multiply words: man shall not know what shall be; and what shall be after him, who shall announce to him?

Luke 12:18-20

And he said, This will I do: I will pull down my stores, and build greater; and there will I collect all my produce and my good things.

Luke 14:28-32

For which of you, wishing to build a tower, not first, having sat down, calculates the expense, if he have things for completion?

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 became dull and he polished not the face, and he will strengthen the forces: and wisdom will make preeminence to prosper.
Proverbs 17:16
Wherefore this a price in the hand of the foolish one to obtain wisdom, and no heart?
Luke 12:18
And he said, This will I do: I will pull down my stores, and build greater; and there will I collect all my produce and my good things.

General references

1 Kings 12:8
And he will forsake the counsel of the old men which they counseled him, and he will consult with the children which grew up with him which were standing before him.