“We are the inheritors of a million years of striving for the unspeakable.”

“A million years of evolution, Eric said bitterly, and what are we? Animals.”

“(On the energy radiated by the Sun)It's four hundred million million million million watts. That is a million times the power consumption of the United States every year, radiated in one second, and we worked that out by using some water, a thermometer, a tin, and an umbrella. And that's why I love physics.”

“We were once fish! We spent millions of years under the water in silence. That’s why now we love talking continuously!”

“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.”

“Therefore give now, that the season of giving may be yours and not your inheritors’.”