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. . . .
J. K. RowlingWe did it, we bashed them wee Potter's the one, and Voldy's gone moldy, so now let's have fun!
J. K. RowlingI am not trying to influence anyone into black magic. That is the very last thing I'd want to do.
J. K. RowlingBut this is touching, Severus,โ said Dumbledore seriously. โHave you grown to care for the boy, after all?โ โFor him?โ shouted Snape. โExpecto Patronum!โ From the tip of his wand burst the silver doe. She landed on the office floor, bounded once across the office, and soared out of the window. Dumbledore watched her fly away, and as her silvery glow faded he turned back to Snape, and his eyes were full of tears. โAfter all this time?โ โAlways,โ said Snape.
J. K. Rowling