The one who associates with the wise grows wise, but a companion of fools suffers harm.

If you are wise, you are wise to your own advantage, but if you are a mocker, you alone must bear it.

A wise person's heart makes his speech wise and it adds persuasiveness to his words.

When a scorner is punished, the naive becomes wise; when a wise person is instructed, he gains knowledge.

A wise warrior is strong, and a man of knowledge makes his strength stronger;

Do you see a man wise in his own eyes? There is more hope for a fool than for him.

Give instruction to a wise person, and he will become wiser still; teach a righteous person and he will add to his learning.