'Shrewd' in the Bible

The shrewd person conceals knowledge, but foolish people publicize folly.

Every shrewd person acts with knowledge, but a fool displays his folly.

The wisdom of the shrewd person is to discern his way, but the folly of fools is deception.

A naive person believes everything, but the shrewd person discerns his steps.

The naive inherit folly, but the shrewd are crowned with knowledge.

A shrewd person sees danger and hides himself, but the naive keep right on going and suffer for it.

A shrewd person sees danger and hides himself, but the naive keep right on going and suffer for it.