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.

My mother used to say not sleeping was the sign of a guilty mind. It could have been. There was a lot in my mind to feel guilty about. When you__e drunk and trying to sleep, your thoughts are visited by the ghosts of those deeds whose heat still glows hottest in your personal darkness. Our actions burn much longer than the moments in which they occur. And drunks like me, we hide from the glow of the embers by fueling other fires and hiding within the flames.

People never think of a child as being a monster, because if they did, they would never be able to sleep at night. Children are where lies peoples hopes, dreams, innocence... Not where lies murder.

...this refinement and delicacy were what Cale adored; but Cale had been beaten into shape, hammered in dreadful fires of fear and pain. How could she be with him for long? A secret part of Arbell had been searching for some time for a way to leave her lover__lthough she was unaware of this, it is only fair to record. And so as Cale waited for her to save him while he worked out a way of saving her, she had already chosen the bitter but reasonable path of the good, of the many over the one...

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.

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. . . .