An anxious unrest, a fierce craving desire for gain has taken possession of the commercial world, and in instances no longer rare the most precious and permanent goods of human life have been madly sacrificed in the interests of momentary enrichment.
This would only come if you have a revolutionary change in technology like the jet brought about.
The best an American can look forward to is the lonely pleasure of one who stands at long last on a chilly and inhospitable mountaintop where few have been before, where few can follow and where few will consent to believe he has been.