Man is only truly free only among equally free men.

We must spread our principles, not with words but with deeds, for this is the most popular, the most potent, and the most irresistible form of propaganda.

No theory, no ready-made system, no book that has ever been written will save the world. I cleave to no system. I am a true seeker.

If God existed, only in one way could he serve the cause of human liberty-by ceasing to exist.

As long as we have a master in heaven, we will be slaves on earth.

Even the most wretched individual of our present society could not exist and develop without the cumulative social efforts of countless generations.

The urge for destruction is also a creative urge!