Throw off your worries when you throw off your clothes at night.

The advance and perfecting of mathematics are closely joined to the prosperity of the nation.

Necessity dominates inclination, will, and right.

The torment of precautions often exceeds the dangers to be avoided. It is sometimes better to abandon one's self to destiny.

I am sometimes a fox and sometimes a lion. The whole secret of government lies in knowing when to be the one or the other.

It must be recognized that the real truths of history are hard to discover. Happily, for the most part, they are rather matters of curiosity than of real importance.

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.