When law becomes despotic morals are relaxed and vice versa.

Do not be very upright in your dealings for you would see by going to the forest that straight trees are cut down while crooked ones are left standing.

Civil war? What does that mean? Is there any foreign war? Isn't every war fought between men between brothers?

One might think that the money value of an invention constitutes its reward to the man who loves his work. But... I continue to find my greatest pleasure and so my reward in the work that precedes what the world calls success.

One must change one's tactics every ten years if one wishes to maintain one's superiority.