Love, having become a god, becomes a demon.

Wouldn't it be dreadful if some day in our own world, at home, men start going wild inside, like the animals here, and still look like men, so that you'd never know which were which.

We have not, in fact, proved that science excludes miracles: we have only proved that the question of miracles, like innumerable other questions, excludes laboratory treatment.

I was with book, as a woman is with child.

The promise, made when I am in love and because I am in love, to be true to the beloved as long as I live, commits me to being true even if I cease to be in love. A promise must be about things that I can do, about actions: no one can promise to go on feeling in a certain way. He might as well promise to never have a headache or always to feel hungry.

Beauty is not democratic; she reveals herself more to the few than to the many.

In reality, moral rules are directions for running the human machine. Every moral rule is there to prevent a breakdown, or a strain, or a friction, in the running of that machine. That is why these rules at first seem to be constantly interfering with our natural inclinations.