Proverbs 13:16

Every prudent man acts with knowledge, But a fool lays open his folly.

Surrounding context

13:15 Good understanding gains favor, But the way of the unfaithful is hard.

13:16 Every prudent man acts with knowledge, But a fool lays open his folly.

13:17 A wicked messenger falls into trouble, But a faithful ambassador brings health.

Translation and sources