Any true wizard, faced with a sign like 'Do not open this door. Really. We mean it. We're not kidding. Opening this door will mean the end of the universe,' would automatically open the door in order to see what all the fuss is about. This made signs rather a waste of time, but at least it meant that when you handed what was left of the wizard to his grieving relatives you could say, as they grasped the jar, 'We told him not to."

Five exclamation marks: the sure sign of an insane mind.

And all the stories had, somewhere, the witch. The wicked old witch. And Tiffany had thought: Where's the evidence?

I don't think I've drunk enough beer to understand that.

The real world was far too real to leave neat little hints. It was full of too many things. It wasn't by eliminating the impossible that you got to the truth, however improbable; it was by the much harder process of eliminating the possibilities.

Correct observation followed by meticulous deduction and the precise visualization of goals is vital to the success of any enterprise.

Incidentally, it's best not to argue with the nursing staff. I find the best course of action is to throw some chocolates in one direction and hurry off in the other while their attention is distracted.