Meanwhile, the poor Babel fish, by effectively removing all barriers to communication between different races and cultures, has caused more and bloodier wars than anything else in the history of creation.

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.

All opinions are not equal. Some are a very great deal more robust, sophisticated and well supported in logic and argument than others.

It was his subconscious which told him this - that infuriating part of a person's brain which never responds to interrogation, merely gives little meaningful nudges and then sits humming quietly to itself, saying nothing.

Religion ... has certain ideas at the heart of it which we call sacred or holy or whatever. What it means is, 'Here is an idea or a notion that you're not allowed to say anything bad about; you're just not. Why not? Because you're just not. If someone votes for a party that you don't agree with, you're free to argue about it as much as you like; everybody will have an argument but nobody feels aggrieved by it. ... But on the other hand, if somebody says 'I mustn't move a light switch on a Saturday', you say 'I respect that'.

I find the whole business of religion profoundly interesting. But it does mystify me that otherwise intelligent people take it seriously.

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)