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.

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

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

It is the curse of humanity that it learns to tolerate even the most horrible situations by habituation.

Between animal and human medicine, there is no dividing line-nor should there be.

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.

Cellular pathology is not an end if one cannot see any alteration in the cell. Chemistry brings the clarification of living processes nearer than does anatomy. Each anatomical change must have been preceded by a chemical one.