I never saw a contradiction between the ideas that sustain me and the ideas of that symbol, of that extraordinary figure, Jesus Christ.

I think that a man should not live beyond the age when he begins to deteriorate, when the flame that lighted the brightest moment of his life has weakened.

A revolution is not a bed of roses. A revolution is a struggle between the future and the past.

I’m not attached to anything. I’m attached to what it feels it's my duty, to do my duty. I think that I will die with the boots on.

A revolution is a struggle to the death between the future and the past.

I do not conceive of any manifestation of culture, of science, of art, as purposes in themselves. I think the purpose of science and culture is man.

I don't think anyone has been slandered more than the Jews.