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.

Life itself is but the expression of a sum of phenomena, each of which follows the ordinary physical and chemical laws.

Belief begins where science leaves off and ends where science begins.

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

Medicine is a social science, and politics is nothing more than medicine on a grand scale.

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

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