In every particular state of the world, those nations which are strongest tend to prevail over the others; and in certain marked peculiarities the strongest tend to be the best.

It is good to be without vices, but it is not good to be without temptations.

The habit of common and continuous speech is a symptom of mental deficiency. It proceeds from not knowing what is going on in other people's minds.

The maxim of science is simply that of common sense-simple cases first; begin with seeing how the main force acts when there is as little as possible to impede it, and when you thoroughly comprehend that, add to it in succession the separate effects of each of the incumbering and interfering agencies.

Conquest is the missionary of valor, and the hard impact of military virtues beats meanness out of the world.

Poverty is an anomaly to rich people; it is very difficult to make out why people who want dinner do not ring the bell.

Go ahead and do the impossible. It's worth the look on the faces of those who said you couldn't.