It pays to be obvious, especially if you have a reputation for subtlety.
- Isaac Asimov

The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at or repair.
- Douglas Adams

I've gone into hundreds of [fortune-teller's parlors], and have been told thousands of things, but nobody ever told me I was a policewoman getting ready to arrest her.
- New York City detective