All men are born truthful and die liars.

Vice foments war; it is virtue which actually fights. If there were no virtue, we would live in peace forever.

To withdraw ourselves from the law of the strong, we have found ourselves obliged to submit to justice. Justice or might, we must choose between these two masters.

Some authors regard morality in the same light as we regard modern architecture. Convenience is the first thing to be looked for.

We have neither the strength nor the opportunity to accomplish all the good and all the evil which we design.

Great men undertake great things because they are great; fools, because they think them easy.

Our opinion of others is not so variable as our opinion of ourselves.