Ecclesiastes 10:2

A wise man's heart is upon the righthand, but a fool's heart is upon the left.

Proverbs 14:8

The wisdom of him that hath understanding is to take heed unto his way; but the foolishness of the unwise deceiveth.

Proverbs 17:16

What helpeth it to give a fool money in his hand, whereas he hath no mind to buy wisdom?

Ecclesiastes 9:10

Whatsoever thou takest in hand to do, that do with all thy power: for among the dead, where thou goest unto, there is neither work, counsel, knowledge nor wisdom.

Ecclesiastes 10:10

When an iron is blunt, and the point not sharpened, it must be whet again, and that with might. Even so doth wisdom follow diligence.

Ecclesiastes 10:14

A fool is so full of words, that a man cannot tell what end he shall make. Who will then warn him of it that shall follow after him?

Luke 12:18-20

And he said, 'This will I do. I will destroy my barns, and build greater: and therein will I gather all my fruits, and my goods:

Luke 14:28-32

Which of you is he that is disposed to build a tower, and sitteth not down before and counteth the cost: Whether he have sufficient to perform 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
When an iron is blunt, and the point not sharpened, it must be whet again, and that with might. Even so doth wisdom follow diligence.
Proverbs 17:16
What helpeth it to give a fool money in his hand, whereas he hath no mind to buy wisdom?
Luke 12:18
And he said, 'This will I do. I will destroy my barns, and build greater: and therein will I gather all my fruits, and my goods:

General references

1 Kings 12:8
But he forsook the counsel that the old men had given him, and counselled with the young men that were nourished up with him and had waited on him.