Proverbs 13:2

A man shall eat well by the fruit of his mouth, But the soul of the unfaithful feeds on violence.

Surrounding context

13:1 A wise son heeds his father's instruction, But a scoffer does not listen to rebuke.

13:2 A man shall eat well by the fruit of his mouth, But the soul of the unfaithful feeds on violence.

13:3 He who guards his mouth preserves his life, But he who opens wide his lips shall have destruction.