It is therefore not true that the mere existence of the Soviet Union is capable of assuring the victory of the revolution in other countries.

Communism needs democracy like the human body needs oxygen.

In a serious struggle there is no worse cruelty than to be magnanimous at an inopportune time.

The end may justify the means as long as there is something that justifies the end.

Religions are illogical primitive ignorance. There is nothing as ridiculous and tragic as a religious government.

England is nothing but the last ward of the European madhouse, and quite possibly it will prove to be the ward for particularly violent cases.

[Joseph] Stalin closes the exposition of these [Leon Trotsky] ideas with the words, "Such are in general the characteristic features of [Vladimir] Lenin's conception of the proletarian revolution."