It is one thing to be brave in front of others, perhaps for fear of being branded a coward and becoming diminished in their eyes, but another entirely to be brave when there is nobody to witness your courage. The latter is an elemental bravery, a strength of spirit and character.
Each time a person stands for an ideal, or acts to improve the lot of others, or strikes out against injustice, they send a tiny ripple of hope, and crossing each other from a million different centers of energy and daring, those ripples build a current which can sweep down the mightiest walls of oppression and resistance.
He glanced at James before continuing. “If you're going to survive this, the first rule you need to learn is never count on anyone but yourself. Never. People make mistakes, and the zombies are fast. They don't need to sleep or eat anything but us. Don't leave your protection in the hands of someone else.