“Exploration and invention were the two faces on the coin of progress, and progress was the spirit of the age”
“The death of the spirit is the price of progress.”
“The Victorian Age, for all its humbug, was a period of rapid progress, because men were dominated by hope rather than fear. If we are again to have progress, we must again be dominated by hope.”
“We have progressed from the stone age and moved on to the age of stone hearted people”
“[Americans] were, for one thing, so smitten with the idea of progress that they invented things without having any idea whether those things would be of any use.”
“People who make no mistakes lack boldness and the spirit of adventure. They are the brakes on the wheels of progress.”