Alexander the Great changed a few boundaries and killed a few men. Both he and Napoleon were forced into fame by circumstances outside of themselves and by currents of the time, but Margaret Sanger made currents and circumstances. When the history of our civilization is written, it will be a biological history and Margaret Sanger will be its heroine.

The greatest task of democracy, its ritual and feast - is choice.

No one would have believed in the last years of the nineteenth century that this world was being watched keenly and closely by intelligences greater than man's and yet as mortal as his own; that as men busied themselves about their various concerns they were scrutinised and studied, perhaps almost as narrowly as a man with a microscope might scrutinise the transient creatures that swarm and multiply in a drop of water.

A federation of all humanity, together with a sufficient measure of social justice, to ensure health, education, and a rough equality of opportunity to most of the children born into the world, would mean such a release and increase of human energy as to open a new phase in human history.

About two-thirds of the face of Marx is beard, a vast solemn wooly uneventful beard that must have made all normal exercise impossible. It is not the sort of beard that happens to a man, it is a beard cultivated, cherished, and thrust patriarchally upon the world.

once you lose yourself, you have two choices: find the person you used to be, or lose that person completely.

When she was fifteen if you'd told her that when she was twenty she'd be going to bed with bald-headed men and liking it, she would have thought you very abstract.