“As it says on the Tshirts:'I don't scare easily - I'm a librarian.', which was the polite version of the original:'Don't give me any of your shit - I'm a librarian.”

“Do I have to talk to insane people?""You're a librarian now. I'm afraid it's mandatory.”

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

“Do you really think you'd win a PR war against a bunch of committed librarians?' He thought about this, but he knew I was right. The libraries were a treasured institution and so central to everyday life that government and commerce rarely did anything that might upset them.Some say they were more powerful than the military, or, if not, they were certainly quieter. As they say: Don't mess with librarians.Only they use a stronger word than 'mess'...”

“Sometimes I don't know whether I'm thening or nowing.”

“Don't let anyone tell you the future is already written. The best any prophet can do is to give you the most likely version of future events. It is up to us to accept the future for what it is, or change it. It is easy to go with the flow; it takes a person of singular courage to go against it.”

“Don't get in a blue car on a Thursday.''Which Thursday?''Any Thursday.''What kind of car?''A blue one. On a Thursday.''Okay.”