It can be very dangerous to see things from somebody else's point of view without the proper training.

It all sounds rather naive and sentimental to be talking about children laughing and dancing and singing together when we all know perfectly well that what children do in real life is snarl and take drugs.

If we see you smoking we will assume you are on fire and take appropriate action.

Zaphod felt he was teetering on the edge of madness and wondered if he shouldn't just jump over and have done with it.

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

On the delivery plate of the Nutri-Matic Drink Synthesizer was a small tray, on which say three bone china cups and saucers, a bone china jug of milk, a silver teapot full of the best tea Arthur had ever tasted and a small printed note saying "Wait.

See first, think later, then test. But always see first. Otherwise you will only see what you were expecting. Most scientists forget that.