In an infinite Universe anything can happen.

Any man who can hitch the length and breadth of the galaxy, rough it, slum it, struggle against terrible odds, win through, and still know where his towel is is clearly a man to be reckoned with.

In fact there was only one species on the planet more intelligent than dolphins, and they spent a lot of their time in behavioural research laboratories running around inside wheels and conduction frighteningly elegant and subtle experiments on man. The fact that once again man completely misinterpreted this relationship was entirely according to these creatures’ plans.

A fragrant breeze wandered up from the quiet sea, trailed along the beach, and drifted back to the sea again, wondering where to go next. On a mad impulse it went up to the beach again. It drifted back to sea.

Stotting is jumping upward with all four legs simultaneously. My advice: do not die until you've seen a large black poodle stotting in the snow.

Aberystwyth (n.) A nostalgic yearning which is in itself more pleasant than the thing being yearned for.

Was there a reason behind it? There would be no point in asking Zaphod, he never appeared to have a reason for anything he did at all: he had turned unfathomability into an art form. He attacked everything in life with a mixture of extraordinary genius and naive incompetence and it was often difficult to tell which was which.