“What in me demanded that goodness in her? And what was the cost, the cost to her of such goodness?”
“I had the need to be the good master, but definitely the master, no matter what the cost.”
“If you want to make a good first impression, smile at people. What does it cost to smile? Nothing. What does it cost not to smile? Everything, if not smiling prevents you from enchanting people.”
“Good teachers are costly, but bad teachers cost more.”
“Cassie: What would it cost me if I kissed him? What would it cost me if I didn’t?”
“But understanding will always require some effort. You probably wouldn't admire a friend who was good at everything if it cost her no effort.”