So, Harry,' said Dumbledore quietly. "Before you got lost in my thoughts, you wanted to tell me something.'
'Yes,' said Harry. 'Professor - I was in Divination just now, and - er - I fell asleep.'
He hesitated here, wondering if a reprimand was coming, but Dumbledore merely said, 'Quite understandable. Continue.

Ah,' said Fudge, who looked thoroughly disconcerted. 'Dumbledore. Yes. You - er - got our - er - message that the time and - er - place of the hearing had been changed, then?'
'I must have missed it,' said Dumbledore cheerfully. 'However, due to a lucky mistake I arrived at the Ministry three hours early, so no harm done.

Oh, there you are, Albus,' he said. 'You've been a very long time. Upset stomach?'
'No, I was merely reading the Muggle magazines,' said Dumbledore. 'I do love knitting patterns.

But Dumbledore says he doesn't care what they do as long as they don't take him off the Chocolate Frog cards.

Welcome to a new year at Hogwarts! Before we begin our banquet, I would like to say a few words. And here they are: Nitwit! Blubber! Oddment! Tweak!

There are much more terrible things than physical injury.