If many features of our civilization seem to us unnatural, artificial, or unhealthy, this must have been man's experience ever since he first took to town life, which is virtually since civilization began. All the familiar complaints against industrialism, capitalism, or overrefinement are largely protests against a new way of life that man took up a short while ago after more than half a million years' existence as a wandering hunter, and that created problems still unsolved by him.