But the reason I call myself by my childhood name is to remind myself that a scientist must also be absolutely like a child. If he sees a thing, he must say that he sees it, whether it was what he thought he was going to see or not. See first, think later, then test. But always see first. Otherwise you will only see what you were expecting.

If somebody thinks they're a hedgehog, presumably you just give 'em a mirror and a few pictures of hedgehogs and tell them to sort it out for themselves.

The only person for whom the house was in any way special was Arthur Dent, and that was only because it happened to be the one he lived in.

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

Dirk turned on the car wipers, which grumbled because they didn't have quite enough rain to wipe away, so he turned them off again. Rain quickly speckled the windscreen. He turned on the wipers again, but they still refused to feel that the exercise was worthwhile, and scraped and squeaked in protest.

All opinions are not equal. Some are a very great deal more robust, sophisticated and well supported in logic and argument than others.

Time affords us the ability to blame past errors on others while whole heartedly pronouncing our futures successes.