The only reason to delay at this point was because the immediate prospect was so deeply uninviting.

She kept asking herself whether, if he had looked cleaner, she might have been more concerned; whether, on some subliminal level, she had confused his obvious signs of neglect with street-smartness, toughness and resilience.

I won't say 'never,' but I have no plans to write an eighth book.

Voldemort himself created his worst enemy, just as tyrants everywhere do! Have you any idea how much tyrants fear the people they oppress? All of them realize that, one day, amongst their many victims, there is sure to be one who rises against them and strikes back!

You shouldn't have done that.

The spells are made up. I have met people who assure me, very seriously, that they are trying to do them, and I can assure them, just as seriously, that they don’t work.

His priority did not seem to be to teach them what he knew, but rather to impress upon them that nothing, not even... knowledge, was foolproof.