Regard the society of women as a necessary unpleasantness of social life, and avoid it as much as possible.

Something magical has happened to me: like a dream when one feels frightened and creepy, and suddenly wakes up to the knowledge that no such terrors exist. I have wakened up.

I imagine, joking apart, that to know love, one must make mistakes and then correct them.

I do value my work awfully; but in reality only consider this: all this world of ours is nothing but a speck of mildew, which has grown up on a tiny planet. And for us to suppose we can have something great - ideas, work - it's all dust and ashes.

Seize the moments of happiness, love and be loved! That is the only reality in the world, all else is folly.

The Jew - is the symbol of eternity. ... He is the one who for so long had guarded the prophetic message and transmitted it to all mankind. A people such as this can never disappear.

The feeling of patriotism - It is an immoral feeling because, instead of confessing himself a son of God . . . or even a free man guided by his own reason, each man under the influence of patriotism confesses himself the son of his fatherland and the slave of his government, and commits actions contrary to his reason and conscience.