My wounds stink and are corrupt because of my foolishness.

O God, thou knowest my foolishness; and my sins are not hid from thee.

He shall die without instruction; and in the greatness of his folly he shall go astray.

A prudent man concealeth knowledge: but the heart of fools proclaimeth foolishness.

Every prudent man dealeth with knowledge: but a fool layeth open his folly.

Every wise woman buildeth her house: but the foolish plucketh it down with her hands.

The wisdom of the prudent is to understand his way: but the folly of fools is deceit.

He that is soon angry dealeth foolishly: and a man of wicked devices is hated.

The simple inherit folly: but the prudent are crowned with knowledge.

The crown of the wise is their riches: but the foolishness of fools is folly.

He that is slow to wrath is of great understanding: but he that is hasty of spirit exalteth folly.

The tongue of the wise useth knowledge aright: but the mouth of fools poureth out foolishness.

The heart of him that hath understanding seeketh knowledge: but the mouth of fools feedeth on foolishness.

Folly is joy to him that is destitute of wisdom: but a man of understanding walketh uprightly.

Understanding is a wellspring of life unto him that hath it: but the instruction of fools is folly.

Let a bear robbed of her whelps meet a man, rather than a fool in his folly.

He that answereth a matter before he heareth it, it is folly and shame unto him.

The foolishness of man perverteth his way: and his heart fretteth against the LORD.

Foolishness is bound in the heart of a child; but the rod of correction shall drive it far from him.

The thought of foolishness is sin: and the scorner is an abomination to men.

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

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

As a dog returneth to his vomit, so a fool returneth to his folly.

Though thou shouldest bray a fool in a mortar among wheat with a pestle, yet will not his foolishness depart from him.