Laughter heals wounded hearts.

Meaning: This means that laughter can help us to feel better when we are sad or upset.

Choice of Words: Laughter is the act of making sounds of amusement or joy, heals is a verb that means to make someone or something healthy again, and wounded hearts is a metaphor for people who have been hurt emotionally. When you put them together, "Laughter heals wounded hearts" means that laughter can help to heal emotional pain.