Ecclesiastes 10:2

The heart of the wise is at his right hand, And the heart of a fool at his left.

Proverbs 14:8

The wisdom of the prudent is to understand his way, And the folly of fools is deceit.

Proverbs 17:16

Why is this -- a price in the hand of a fool to buy wisdom, And a heart there is none?

Ecclesiastes 9:10

All that thy hand findeth to do, with thy power do, for there is no work, and device, and knowledge, and wisdom in Sheol whither thou art going.

Ecclesiastes 10:10

If the iron hath been blunt, And he the face hath not sharpened, Then doth he increase strength, And wisdom is advantageous to make right.

Ecclesiastes 10:14

And the fool multiplieth words: 'Man knoweth not that which is, And that which is after him, who doth declare to him?'

Luke 12:18-20

and he said, This I will do, I will take down my storehouses, and greater ones I will build, and I will gather together there all my products and my good things,

Luke 14:28-32

'For who of you, willing to build a tower, doth not first, having sat down, count the expence, whether he have the things for completing?

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 hath been blunt, And he the face hath not sharpened, Then doth he increase strength, And wisdom is advantageous to make right.
Proverbs 17:16
Why is this -- a price in the hand of a fool to buy wisdom, And a heart there is none?
Luke 12:18
and he said, This I will do, I will take down my storehouses, and greater ones I will build, and I will gather together there all my products and my good things,

General references

1 Kings 12:8
And he forsaketh the counsel of the elders which they counselled him, and consulteth with the lads who have grown up with him, who are standing before him;