"Mass disease means society is out of joint."

"Pathology is the study of structural and functional abnormalities that are expressed as diseases of organs and system…"

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

"Cellular pathology is not an end if one cannot see any alteration in the cell. Chemistry brings the clarification of …"

"Liebt man sich wirklich, so ist es ja nicht schwer, die Toleranz zu üben, denn die Toleranz ist die Tochter der Liebe…"

"Omnis cellula e cellula"

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

"Medical statistics will be our standard of measurement: we will weigh life for life and see where the dead lie thicke…"

"For if medicine is really to accomplish its great task, it must intervene in political and social life. It must point…"

"Wo eine Zelle entsteht, da muss eine Zelle vorausgegangen sein, ebenso wie das Thier nur aus dem Thiere, die Pflanze …"