What is essential is invisible to the eye.

Once it was believed that to bring these creatures to manhood it was enough to feed them, clothe them, and look to their everyday needs; but we see now that the result of this has been to turn out petty shopkeepers, village politicians, hollow technicians devoid of an inner life.

I don't much like assuming the tone of a moralist. But the danger of baobabs is so little recognized, and the risks run by anyone who might get lost on an asteroid are so considerable, that for once I am making an exception to my habitual reserve.

War is not an adventure. It is a disease. It is like typhus.

You are beautiful, but you are empty", he went on. "One could not die for you.

You are beautiful, but you are empty, he went on. One could not die for you. To be sure, an ordinary passerby would think that my rose looked just like you--the rose that belongs to me.

For true love is inexhaustible; the more you give, the more you have. And if you go to draw at the true fountainhead, the more water you draw, the more abundant is its flow.