"A common mistake people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools."

"It is no coincidence that in no known language does the phrase 'As pretty as an Airport' appear."

"I may not have gone where I intended to go, but I think I have ended up where I needed to be."

"He felt that his whole life was some kind of dream and he sometimes wondered whose it was and whether they were enjoying it."

"I love deadlines. I love the whooshing sound they make as they fly by."

"My doctor says that I have a malformed public-duty gland and a natural deficiency in moral fibre, and that I am therefor excused from saving Universes."

"It makes a great difference in the force of a sentence, whether a man be behind it or no."

"On the plus side, death is one of the few things that can be done as easily lying down."

"Beware of the half truth. You may have gotten hold of the wrong half."

"The blend of fiction, bigotry and jingoism became known as 'yellow journalism.' Later, the phrase was shortened to 'journalism.'"

"Being born in a duck yard does not matter, if only you are hatched from a swan's egg."

"To know is nothing at all; to imagine is everything."