Technological discoveries are the spermatozoa of social change.

When history is written as it ought to be written, it is the moderation and long patience of the masses at which men will wonder, not their ferocity.

The international proletariat first appeared on the scene in the early Thirties of the nineteenth century, and its first great action was the French Revolution of 1848.

In the last quarter of the eighteenth century bourgeois Europe needed to emancipate itself from that combination of feudalism and commercial capitalism which we know as mercantilism.

The race question is subsidiary to the class question in politics, and to think of imperialism in terms of race is disastrous. But to neglect the racial factor as merely incidental is an error only less grave than to make it fundamental.

It is in revolutionary periods that the culmination of previous trends and the beginning of new ones appear.

I had formed a black movement, so I would speak for the Trotskyist movement and then walk about a hundred yards to where the black movement was speaking.