This life as you now live it and have lived it, you will have to live once more and innumerable times more; and there will be nothing new in it, but every pain and every joy and every thought and sigh and everything unutterably small or great in your life will have to return to you, all in the same succession and sequence - even this spider and this moonlight between the trees, and even this moment and I myself. The eternal hourglass of existence is turned upside down again and again, and you with it, speck of dust!

There is always some madness in love.

They climb the mountain like beasts, stupid and sweating; it seems that no one bothered to tell them that there are beautiful vistas along the way.

On the rare occasions when our dreams succeed and achieve perfection - most dreams are bungled - the are symbolic chains of scene and images in place of a narrative poetic language; they circumscribe our experiences or expectations or situations with such poetic boldness and decisiveness that in the morning we are always amazed when we remember our dreams.

We should conserve evil just as we should conserve the forests. It is true that by thinning and clearing the forests the earth grew warmer.

Our knowledge will take its revenge on us, just as ignorance exacted its revenge during the Middle Ages.

Sometimes it is harder to accede to a thing than it is to see its truth.