He's a funny man, Dumbledore. I think he sort of wanted to give me a chance. I think he knows more or less everything that goes on here, you know. I reckon he had a pretty good idea we were going to try, and instead of stopping us, he just taught us enough to help. I don't think it was an accident he let me find out how the Mirror worked. It's almost like he thought I had the right to face Voldemort if I could.

He had been so busy getting away from the library, he hadn't paid attention to where he was going.

Nasty temper he's got, that Sirius Black.

Where do vanished objects go?" "Into nonbeing, which is to say, everything," replied Professor McGonagall. "Nicely phrased," replied the eagle door knocker, and the door swung open.

Help only comes to those who ask for it.

What must strike any intelligent witch or wizard on studying the so-called history of the Elder Wand is that every man who claims to have owned it has insisted that it is "unbeatable," when the known facts of its passage through many owners' hands demonstrate that has it not only been beaten hundreds of times, but that it also attracts trouble as Grumble the Grubby Goat attracted flies.

It’s so difficult to describe [depression] to someone who’s never been there, because it’s not sadness. I know sadness. Sadness is to cry and to feel. But it’s that cold absence of feeling — that really hollowed-out feeling.