Which came first, the phoenix or the flame?”
"...I think the answer is that a circle has no beginning."
"Well reasoned.

Which came first, the phoenix or the flame?'
'Hmm . . . What do you think, Harry?' said Luna, looking thoughtful.
'What? Isn’t there just a password?'
'Oh no, you’ve got to answer a question,' said Luna.
'What if you get it wrong?'
'Well, you have to wait for somebody who gets it right,' said Luna. 'That way you learn, you see?'
'Yeah . . . Trouble is, we can’t really afford to wait for anyone else, Luna.'
'No, I see what you mean,' said Luna seriously. 'Well then, I think the answer is that a circle has no beginning.'
'Well reasoned,' said the voice, and the door swung open.

Yeah, but the lost diadem," said Michael Corner, rolling his eyes, "is lost, Luna. That's sort of the point.

I think I'll just go down and have some pudding and wait for it all to turn up - it always does in the end.

A Wrackspurt . . . They’re invisible. They float in through your ears and make your brain go fuzzy,” she said. “I thought I felt one zooming around in here.

You can laugh! But people used to believe there were no such things as the Blibbering Humdinger or the Crumple-Horned Snorkack!