Snape looked horrified. 'You have kept him alive so that he can die at the right moment?''Don't look shocked, Severus. How many men and women have you watched die?''Lately, only those whom I could not save', said Snape.

Indeed, wounded loved can make for fierce vengeance. And, from what I know of Anissa, it does seem a bit out of character for her to behave so spitefully, so I'd like to think that she really is just deeply hurt, angry and looking for some way to injure me back...I hope she knows how well she's succeeded.

Everything at some point has been declared the root of all evil.

Potter is mocked by a faculty member for the idea that there is evil in the world from which even children need to learn to defend themselves by the actual practice of doing so rather than familiarity with theory.

As time moves on the line will blur. It will no longer seem to be the simplicity of good versus evil, but good versus fools who think they are good.

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. . . .