The purpose of religion is to keep the poor from killing the rich.

To be believed make the truth unbelievable.

Mankind are in the end always governed by superiority of intellectual faculties, and none are more sensible of this than the military profession. When, on my return from Italy, I assumed the dress of the Institute, and associated with men of science, I knew what I was doing: I was sure of not being misunderstood by the lowest drummer boy in the army.

Neglect of duty does not cease, by repetition, to be neglect of duty.

Medicine is a collection of uncertain prescriptions, the results of which, taken collectively, are more fatal than useful to mankind.

Necessity dominates inclination, will, and right.

Without cavalry, battles are without result.