The invention of the scientific method and science is, I'm sure we'll all agree, the most powerful intellectual idea, the most powerful framework for thinking and investigating and understanding and challenging the world around us that there is, and it rests on the premise that any idea is there to be attacked. If it withstands the attack then it lives to fight another day and if it doesn't withstand the attack then down it goes. Religion doesn't seem to work like that.

I rarely end up where I was intending to go, but often I end up somewhere I needed to be.

Ford Prefect suppressed a little giggle of evil satisfaction, realized that he had no reason to suppress it, and laughed out loud, a wicked laugh.

There is a theory which states that if ever anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable.There is another theory which states that this has already happened.

He had extracted himself from the Cambridge one-way system by the usual method, which involved going round and round it faster and faster until he achieved a sort of escape velocity and flew off at a tangent in a random direction, which he was now trying to identify and correct for.

There is a feeling which persists in England that making a sandwich interesting, attractive, or in any way pleasant to eat is something sinful that only foreigners do.

When the girl sitting at the next table looked away from a moment, Dirk leaned over and took her coffee. He knew that he was perfectly safe doing this because she would simply not be able to believe that this had happened.