Don't ever call me mad, Mycroft. I'm not mad. I'm just ... well, differently moraled, that's all.

I would so hate to be a first-person character! Always on your guard, always having people read your thoughts!

For every expert there is an equal and opposite expert.

Have you ever wondered how nostalgia isn"t what it used to be?

He spent his life immersed in books to the cost of everything else, even personal relationships. "Friends," he'd once said, "are probably great, but I have forty thousands friends of my own already, and each of them needs my attention.

Mr. Pewter led them through to a library, filled with thousands of antiquarian books. 'Impressive, eh?' 'Very,' said Jack. 'How did you amass all these?' 'Well,' said Pewter, 'You know the person who always borrows books and never gives them back?' 'Yes...?' 'I'm that person.

Librarying is a harder profession than the public realizes, he said. People think it's all rubber stamps, knowing that Dewey 521 is celestial mechanics and saying 'Try looking under fiction' sixty eight times a day.