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.

Body: A cell state in which every cell is a citizen.

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.

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.

Marriages are not normally made to avoid having children.

The task of science, therefore, is not to attack the objects of faith, but to establish the limits beyond which knowledge cannot go and found a unified self-consciousness within these limits.