In the long history of humankind (and animal kind, too) those who learned to collaborate and improvise most effectively have prevailed.
Genius is the ability to put into effect what is on your mind.
Self-control means wanting to be effective at some random point in the infinite radiations of my spiritual existence.
Entertainment and learning are not opposites; entertainment may be the most effective mode of learning.
We cannot live only for ourselves. A thousand fibers connect us with our fellow men; and among those fibers, as sympathetic threads, our actions run as causes, and they come back to us as effects.
I have no faith in human perfectability. I think that human exertion will have no appreciable effect upon humanity. Man is now only more active - not more happy - nor more wise, than he was 6000 years ago.
No rational argument will have a rational effect on a man who does not want to adopt a rational attitude.
“Let a man find himself, in distinction from others, on top of two wheels with a chain - at least in a poor country like Russia - and his vanity begins to swell out like his tires. In America it takes an automobile to produce this effect.
To be prepared for war is one of the most effective means of preserving peace.