You can find great lessons everywhere, even in books you are just reading for pleasure and enjoyment.

“There is satisfaction,” he said to Dalinar, “in creating a list of things you can actually accomplish, then removing them one at a time. As I said, a simple joy.”

“Unfortunately, I’m needed for bigger things than shopping.”

“Isn’t that always the problem? Tell me, my friend. You talk about your burdens and the difficulty of the decision. What is the cost of a principle?”

“The cost? There shouldn’t be a cost to being principled.”

“Oh? […] Isn’t a principle about what you give up, not what you gain?”

“So it’s all negative?” Dalinar said. “Are you implying that nobody should have principles, because there’s no benefit to them?”

“Hardly,” Nohadon said. “But maybe you shouldn’t be looking for life to be easier because you choose to do something that is right! Personally, I think life is fair. It’s merely that often, you can’t immediately see what balances it.”

Brandon Sanderson, Oathbringer