It is the curse of humanity that it learns to tolerate even the most horrible situations by habituation, that it forgets the most shameful happenings in the daily shame of events, and that it can hardly understand when individuals aim to destroy this infamy.

Belief has no place as far as science reaches, and may be first permitted to take root where science stops.

The body is a cell state in which every cell is a citizen. Disease is merely the conflict of the citizens of the state brought about by the action of external forces.

Medical statistics will be our standard of measurement: we will weigh life for life and see where the dead lie thicker, among the workers or among the privileged.

The task of science is to stake out the limits of the knowable, and to center consciousness within them.

As long as vitalism and spiritualism are open questions so long will the gateway of science be open to mysticism.

Medicine is a social science, and politics is nothing more than medicine on a grand scale.