Public opinion is a mysterious and invisible power, to which everything must yield. There is nothing more fickle, more vague, or more powerful; yet capricious as it is, it is nevertheless much more often true, reasonable, and just, than we imagine.
One must learn to forgive and not to hold a hostile, bitter attitude of mind, which offends those about us and prevents us from enjoying ourselves. One must recognize human shortcomings and adjust himself to them rather than to be constantly finding fault with them.
If I always appear prepared, it is because before entering an undertaking, I have meditated long and have foreseen what might occur. It is not genius which reveals to me suddenly and secretly what I should do in circumstances unexpected by others; it is thought and preparation
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.