In the arts of life main invents nothing; but in the arts of death he outdoes Nature herself, and produces by chemistry and machinery all the slaughter of plague, pestilence and famine. ... There is nothing in Man's industrial machinery but his greed and sloth: his heart is in his weapons.

God has given us a world that nothing but our own folly keeps from being a paradise.

Old men are dangerous: it doesn't matter to them what is going to happen to the world.

What use are cartridges in battle? I always carry chocolate instead.

What is self-control? It is nothing but a highly developed vital sense, dominating and regulating the mere appetites. To overlook the very existence of this supreme sense; to miss the obvious inference that it is the quality that distinguishes the fittest to survive.

A man thinking or working is always alone, let him be where he will.

The stock actor is a stage calamity