“You'll like it here; everyone is quite mad.”

“Pretend to be mad and talk a lot. Then — and this is the important bit — do nothing at all until you absolutely have to and then make sure everyone dies.”

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

“I am by turns a petulant adolescent and a mature man, a melancholy loner and a wit telling actors their trade. I cannot decide whether I'm a philosopher or a moping teenager, a poet or a murderer, a procrastinator or a man of action. I might be truly mad or sane pretending to be mad or even mad pretending to be sane.”

“Comedy was one of those genres that while appearing quite jolly was actually highly dangerous.”

“Mr. McGregor's a nasty piece of work, isn't he? Quite the Darth Vader of children's literature.”

“...being written by someone who might not quite understand the subconscious nuance of the character leaves us in varying degrees of flatness.”