Perhaps, she thought, that’s what love does. It’s not there to make you feel special. It’s to make you brave. It was like a ration pack in the desert, she thought, like a box of matches in a dark wood. Love and courage, thought Sophie—two words for the same thing.

I don't know where courage comes from. But I do know that if you can scrape together just a bit, more of it comes without your trying... So you don't need a great lump of bravery: only a tiny breath of it.

Sophie realized she'd been holding her breath. She gulped in air. It was surprising what a difference oxygen made to bravery

Cowardice is for cowards. Fear is for people with brains and eyes and functioning nerve endings.