For me, an area of moral clarity is: you're in front of someone who's suffering and you have the tools at your disposal to alleviate that suffering or even eradicate it, and you act.
“You are never so alone as when you are ill on stage. The most nightmarish feeling in the world is suddenly to feel like throwing up in front of four thousand people.”
“In order to improve the mind, we ought less to learn, than to contemplate.”