David and Goliath: Underdogs, Misfits, and the Art of Battling Giants

by Malcolm Gladwell

“The reasonable man adapts himself to the world: the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.”

Courage is not something that you already have that makes you brave when the tough times start. Courage is what you earn when you’ve been through the tough times and you discover they aren’t so tough after all.