Mankind occurs as male or female, as something or nothing. Woman has no share in ontological reality, no relation to the thing-in-itself, which, in t…

- Otto Weininger

Everything evil is revenge.

- Otto Weininger

Man is alone in the world, in tremendous eternal isolation. He has no object outside himself; lives for nothing else; he is far removed from being th…

- Otto Weininger

The decision must be made between Judaism and Christianity, between business and culture, between male and female, between the race and the individua…

- Otto Weininger

In those rare individual cases where women approach genius they also approach masculinity.

- Otto Weininger

The man of genius possesses, like everything else, the complete female in himself; but woman herself is only a part of the Universe, and the part can…

- Otto Weininger

It is not the fear of death which creates the desire for immortality, but the desire for immortality which causes the fear of death.

- Otto Weininger

Every true, eternal problem is an equally true, eternal fault; every answer an atonement, every realisation an improvement.

- Otto Weininger

Woman, in short, has an unconscious life, man a conscious life, and the genius the most conscious life.

- Otto Weininger