What's the quote from the novel: Drums, Girls, and Dangerous Pie?

Question

like, do not agonize over the things you can't change, work on the things you can change? the exact quote would help me a lot. thank you. :]

Answer 1

You were close. The school psychologist tells Steven, "Instead of agonizing about the things you can't change, why don't you try working on the things you can change?"