“Laws are always unstable unless they are founded on the manners of a nation; and manners are the only durable and resisting power in a people.”

You must not lose faith in humanity. Humanity is an ocean; if a few drops of the ocean are dirty, the ocean does not become dirty.

A man is but the product of his thoughts. What he thinks, he becomes.

Men are disturbed, not by things, but by the principles and notions which they form concerning things.

The art of war is of vital importance to the State.

Your conscience is the measure of the honesty of your selfishness. Listen to it carefully.

To handle yourself, use your head; to handle others, use your heart.