"It is most gratifying," it said, "that your enthusiasm for our planet continues unabated, and so we would like to assure you that the guided missile… - Douglas Adams

Even a manically depressed robot is better to talk to than nobody.

Curiously enough, the dolphins had long known of the impending destruction of the planet Earth and had made attempts to alert mankind to the danger; but most of their communications were misinterpreted as amusing attempts to punch footballs or whistle for titbits, so they eventually gave up and left the Earth by their own means shortly before the Vogons arrived.

He had a tremendous propensity for getting lost when driving. This was largely because of his method of “Zen” navigation, which was simply to find any car that looked as if it knew where it was going and follow it. The results were more often surprising than successful, but he felt it was worth it for the sake of the few occasions when it was both.