I'm up to here with cool, okay? I am so amazingly cool you could keep a side of meat in me for a month. I am so hip I have difficulty seeing over my pelvis.

In moments of great stress, every life form that exists gives out a tiny subliminal signal.

When you're cruising down the road in the fast lane and you lazily sail past a few hard-driving cars and are feeling pretty pleased with yourself and then accidently change down from fourth to first instead of third thus making your engine leap out of your hood in a rather ugly mess, it tends to throw you off stride in much the same way that this remark threw Ford Prefect off his.

I don't say that I don't believe in God because that implies that there is a God for me not to believe in.

Space is unimaginably big.

Why' is the only question that bothers people enough to have an entire letter of the alphabet named after it. The alphabet does not go 'A B C D What? When? How?' but it does go 'V W X Why? Z.

He attacked everything in life with a mix of extraordinary genius and naive incompetence, and it was often difficult to tell which was which.