The first quality of the commander-in-chief is a cool head to receive a correct impression of things. He should not allow himself to be confused by either good or bad news.
All great events hang by a single thread. The clever man takes advantage of everything, neglects nothing that may give him some added opportunity; the less clever man, by neglecting one thing, sometimes misses everything.
In a conquered country benevolence is not humanitarianism. It is a general political axiom that a conqueror must not inspire a good opinion of his benevolence until he has demonstrated that he can be severe with malefactors.
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.
Each state claims the right to control interests foreign to itself when those interests are such that it can control them without putting its own interests in danger. ... other powers only recognize this right of intervening in proportion as the country doing it has the power to do it.