The mistake ninety-nine percent of humanity made, as far as Fats could see, was being ashamed of what they were; lying about it, trying to be somebody else.

Hogwarts, Hogwarts, Hoggy Warty Hogwarts, Teach us something please, Whether we be old and bald, Or young with scabby knees, Our heads could do with filling With some interesting stuff, For now they're bare and full of air, Dead flies and bits of fluff, So teach us something worth knowing, Bring us back what we've forgot, Just do your best, we'll do the rest, And learn until our brains all rot.

Numbing the pain for a while will make it worse when you finally feel it.

Size is no guarantee of power.

Talent and intelligence never yet inoculated anyone against the caprice of the fates.

Everything had shattered. The fact that it was all still there — the walls and the chairs and the children’s pictures on the walls — meant nothing. Every atom of it had been blasted apart and reconstituted in an instant, and its appearance of permanence and solidity was laughable; it would dissolve at a touch, for everything was suddenly tissue-thin and friable.

When Filch wasn't guarding the scene of the crime, he was skulking red-eyed through the corridors, lunging out at unsuspecting students and trying to put them in detention for things like "breathing loudly" and "looking happy.