I want you to listen to me very carefully, Harry. You’re not a bad person. You’re a very good person, who bad things have happened to. Besides, the world isn’t split into good people and Death Eaters. We’ve all got both light and dark inside us. What matters is the part we choose to act on. That’s who we really are.
“You do care." said Dumbledore. He had not flinched or made a single move to stop Harry demolishing his office. His expression was calm, almost detached. "You care so much you feel as though you will bleed to death with the pain of it.”
Harry reminded himself that Lily had intervened; his mother had been decent, yet the memory of the look on her face as she had shouted at James disturbed him quite as much as anything else. She had clearly loathed James and Harry simply couldn’t understand how they could have ended up married. Once or twice he even wondered whether James had forced her into it… For nearly five years the thought of his father had been a source of comfort, of inspiration. Whenever someone had told him he was like James he had glowed with pride inside. And now… now he felt cold and miserable at the thought of him.
film still #22 - half blood prince