Laws should be made, not against quacks but against superstition.

Only those who regard healing as the ultimate goal of their efforts can, therefore, be designated as physicians.

If popular medicine gave the people wisdom as well as knowledge, it would be the best protection for scientific and well-trained physicians.

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

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.

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 begins where science leaves off and ends where science begins.