And all along the corridor the statues and suits of armor jumped down from their plinths, and from the echoing crashes from the floors above and below, Harry knew that their fellows throughout the castle had done the same.

I solemnly swear that I am up to no good.

I remember every wand I’ve ever sold, Mr. Potter. Every single wand. It so happens that the phoenix whose tail feather is in your wand, gave another feather — just one other. It is very curious indeed that you should be destined for this wand when its brother — why, its brother gave you that scar.

He sobbed in desperation at the burden of fear he carried with him every day of his life.

Depression isn't just being a bit sad. It's feeling nothing. It's not wanting to be alive anymore.

When you were straight, evil thoughts and memories came pouring up out of the darkness inside you; buzzing black flies clinging to the insides of your skull.

Without cunning, there is no innovation. Without ambition, there is no accomplishment.