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

Brevity in writing is the best insurance for its perusal.

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

The physicians are the natural attorneys of the poor, and the social problems should largely be solved by them.

If we would serve science, we must extend her limits, not only as far as our own knowledge is concerned, but in the estimation of others.

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

Belief cannot be reckoned with in terms of science, for science and faith are mutually exclusive.