Technological discoveries are the spermatozoa of social change.

I must say the idea of a United Africa was nonsense.

First of all, Bolshevism represents revolution and the revolutionary struggle.

The country has undergone a profound social upheaval, the greatest the proletariat has ever known.

Today, in American imperialism, the commodity has reached its most grandiose historical manifestation.

After World War I the resentment of the working class against all that it had to suffer was directed more against Morgan, Wall Street and private capital than the government.

The most striking development of the great depression of 1929 is a profound skepticism of the future of contemporary society among large sections of the American people.