I went over the heads of the things a man reckons desirable. No doubt invisibility made it possible to get them, but it made it impossible to enjoy them when they are got.

The only true measure of success is the ratio between what we might have done and what we might have been on the one hand, and the thing we have made and the things we have made of ourselves on the other.

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

The weaving of mankind into one community does not imply the creation of a homogeneous community, but rather the reverse; the welcome and adequate utilization of distinctive quality in an atmosphere of understanding.... Communities all to one pattern, like boxes of toy soldiers, are things of the past, rather than of the future.

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.

No passion in the world is equal to the passion to alter someone else's draft.

There are no social differences - till women come in.