Ways of a Fool: He

Destroys self.

Ecclesiastes 10:12  

The words of a wise man's mouth are gracious; but the lips of a fool will swallow up himself.
Is light and frivolous.

Ecclesiastes 7:6  

For as the crackling of thorns under a pot, so is the laughter of the fool: this also is vanity.
Acknowledge he is a fool.

Ecclesiastes 10:3  

Yea also, when he that is a fool walketh by the way, his wisdom faileth him, and he saith to every one that he is a fool.

Is full of empty words.

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?

Has no foresight.

Matthew 7:26  

And every one that heareth these sayings of mine, and doeth them not, shall be likened unto a foolish man, which built his house upon the sand:

Is ignorant.

1 Peter 2:15  

For so is the will of God, that with well doing ye may put to silence the ignorance of foolish men:

Despises Wisdom.

Proverbs 23:9  

Speak not in the ears of a fool: for he will despise the wisdom of thy words.

Cannot appreciate luxury and honor.

Proverbs 19:10  

Delight is not seemly for a fool; much less for a servant to have rule over princes.

Proverbs 26:8  

As he that bindeth a stone in a sling, so is he that giveth honor to a fool.

Is incapable of wisdom.

 Proverbs 24:7  

Wisdom is too high for a fool: he openeth not his mouth in the gate.

Gives foolish answers.

Proverbs 26:4-5

4 Answer not a fool according to his folly, lest thou also be like unto him.

5 Answer a fool according to his folly, lest he be wise in his own conceit.

Is not dependable.

Proverbs 26:6  

He that sendeth a message by the hand of a fool cutteth off the feet, and drinketh damage.
Is hopeless.