The nation behaves well if it treats the natural resources as assets which it must turn over to the next generation increased, and not impaired, in value.
Man is a clever animal who behaves like an imbecile.
It is a waste of energy to be angry with a man who behaves badly, just as it is to be angry with a car that won't go.
Nothing is more characteristic of a man than the mann in which he behaves toward fools.