The fundamental flaw of vulgar thought lies in the fact that it wishes to content itself with motionless imprints of a reality which consists of eternal motion.

Old age is the most unexpected of all things that happen to a man.

All the parties of capitalist society, all its moralists and all its sycophants will perish beneath the debris of the impending catastrophe. The only party that will survive is the party of the world socialist revolution.

The United States is not only the strongest, but also the most terrified country.

Technique is noticed most markedly in the case of those who have not mastered it.

I wrote a study about this question, The Lessons of October, which served as a pretext for my elimination from the government.

Is it possible to fulfill this task, is it possible to achieve the definite victory of Socialism in one country without the combined efforts of the proletarians of several advanced countries? No, it is impossible.