A scientific man ought to have no wishes, no affections, - a mere heart of stone.

What's with you men? Would hair stop growing on your chest if you asked directions somewhere?

If information and knowledge are central to democracy, they are the conditions for development.

Patriotism is the last refuge of a scoundrel.

Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense.

I don't watch television, I think it destroys the art of talking about oneself.

The joke of our time is the suicide of intention.

All battles are fought by scared men who'd rather be some place else.

After all, science is essentially international, and it is only through lack of the historical sense that national qualities have been attributed to it.

Words have no power to impress the mind without the exquisite horror of their reality.

The spirit of man is an inward flame; a lamp the world blows upon but never puts out.

Learn to give, whether you have plenty or little, whether you are happy or in pain.

No snowflake in an avalanche ever feels responsible.

There's nothing in the world so demoralizing as money.

So many women just don't know how great they really are. They come to us all vogue outside and vague on the inside.

Sometimes glass glitters more than diamonds because it has more to prove.

Memory... is an internal rumour.

Give up trying to make me give up

I do not argue with obstinate men. I act in spite of them.

I am not ashamed to confess that I am ignorant of what I do not know.

I can bear any pain as long as it has meaning.