'Wiser' in the Bible

Give instruction to a wise man, and he will be yet wiser: teach a just man, and he will increase in learning.

When a mocker is punished,the inexperienced become wiser;when one teaches a wise man,he acquires knowledge.

The sluggard is wiser in his own conceit than seven men that can render a reason.

Four are little ones of earth, And they are made wiser than the wise: