I must study politics and war that my sons may have liberty to study mathematics and philosophy.

I must study politics and war, that my sons may have the liberty to study mathematics and philosophy, geography, natural history, and naval architecture, navigation, commerce, and agriculture, in order to give their children a right to study painting, poetry, music, architecture, statuary, tapestry and porcelain.

Great is the guilt of an unnecessary war.

Posterity! You will never know how much it cost the present generation to preserve your freedom! I hope you will make a good use of it.

Power always thinks... that it is doing God's service when it is violating all his laws.