"To Trin Tragula's horror, the shock completely annihilated her brain; but to his satisfaction he realized that he had proved conclusively that if life is going to exist in a Universe of this size, then the one thing it cannot afford to have is a sense of proportion."
"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."
"Life is wasted on the living."
"The first ten million years were the worst,"said Marvin, "and the second ten million years, they were the worst too. The third ten million years I didn't enjoy at all. After that I went into a bit of a decline."
"The only moral it is possible to draw from this story is that one should never throw the Q letter into a privet bush, but unfortunately there are times when it is unavoidable."
"To summarize the summary of the summary: people are a problem."