Do not envy a sinner; you don't know what disaster awaits him.
It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something.
At my lemonade stand I used to give the first glass away free and charge five dollars for the second glass. The refill contained the antidote.
Man is the only animal that can remain on friendly terms with the victims he intends to eat until he eats them.
The function of science fiction is not always to predict the future but sometimes to prevent it.
Speak properly, and in as few words as you can, but always plainly; for the end of speech is not ostentation, but to be understood.
Computer Science is no more about computers than astronomy is about telescopes.