I've been fighting to be who I am all my life. What's the point of being who I am, if I can't have the person who was worth all the fighting for?
Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you.
First they ignore you, then they ridicule you, then they fight you, and then you win.
I can picture in my mind a world without war, a world without hate. And I can picture us attacking that world, because they'd never expect it.
It was important, Dumbledore said, to fight, and fight again, and keep fighting, for only then could evil be kept at bay, though never quite eradicated.