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.

When your sense of self and happiness comes from within and isn't a roller coaster ride dependent on others or circumstances, you approach life differently. You make better choices. You draw to you the people and situations that matter. The others, they fall away.

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.

Be like the flower, content with its nature.

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. . . .

I know [Umbridge] by reputation and I'm sure she's no Death Eater-""She's foul enough to be one...""Yes, but the world isn't split into good people and Death Eaters.