Never resist temptation: prove all things: hold fast that which is good.

I really don't think I could consent to go to Heaven if I thought there were no animals there.

The golden rule is that there are no golden rules.

If a group of beings from another planet were to land on Earth - beings who considered themselves as superior to you as you feel yourself to be to other animals - would you concede them the rights over you that you assume over other animals?

Disobedience, the rarest and most courageous of the virtues, is seldom distinguished from neglect, the laziest and commonest of the vices.

Like fingerprints, all marriages are different.

My rank is the highest known in Switzerland: I'm a free citizen.