Can't stand all these poisonous creatures, all these snakes and insects and fish and things. Wretched things, biting everybody. And then people expect me to tell them what to do about it. I'll tell them what to do. Don't get bitten in the first place. (quoting Dr. Struan Sutherland)

Marvin was humming ironically because he hated humans so much.

Come on,” he droned, “I’ve been ordered to take you down to the bridge. Here I am, brain the size of a planet and they ask me to take you down to the bridge. Call that job satisfaction? ’Cos I don’t.” He turned and walked back to the hated door. “Er, excuse me,” said Ford following after him, “which government owns this ship?” Marvin ignored him. “You watch this door,” he muttered, “it’s about to open again. I can tell by the intolerable air of smugness it suddenly generates.

The quality of any advice anybody has to offer has to be judged against the quality of life they actually lead.

If somebody thinks they're a hedgehog, presumably you just give 'em a mirror and a few pictures of hedgehogs and tell them to sort it out for themselves.

The most misleading assumptions are the ones you don't even know you're making.

Let us think the unthinkable, let us do the undoable, let us prepare to grapple with the ineffable itself, and see if we may not eff it after all.