Neither in my private life nor in my writings, have I ever made a secret of being an out-and-out unbeliever.

The inclination to aggression constitutes the greatest impediment to civilization.

The liberty of the individual is no gift of civilization. It was greatest before there was any civilization.

Analogies, it is true, decide nothing, but they can make one feel more at home.

We find a place for what we lose. Although we know that after such a loss the acute stage of mourning will subside, we also know that we shall remain inconsolable and will never find a substitute. No matter what may fill the gap, even if it be filled completely, it nevertheless remains something else.

I have often felt as though I had inherited all the defiance and all the passions with which our ancestors defended their Temple and could gladly sacrifice my life for one great moment in history. And at the same time I always felt so helpless and incapable of expressing these ardent passions even by a word or a poem.

Love and work are the cornerstones of our humanness.