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

My politics were those of prophylaxis, my opponents preferred those of palliation.

'Science in itself' is nothing, for it exists only in the human beings who are its bearers. 'Science for its own sake' usually means nothing more than science for the sake of the people who happen to be pursuing it.

There can be no scientific dispute with respect to faith, for science and faith exclude one another.

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

Medicine is a social science, and politics is nothing else but medicine on a large scale. Medicine, as a social science, as the science of human beings, has the obligation to point out problems and to attempt their theoretical solution: the politician, the practical anthropologist, must find the means for their actual solution. The physicians are the natural attorneys of the poor, and social problems fall to a large extent within their jurisdiction.

Imprisoned quacks are always replaced by new ones.