Everyone confesses in the abstract that exertion which brings out all the powers of body and mind is the best thing for us all; but practically most people do all they can to get rid of it, and as a general rule nobody does much more than circumstances drive them to do.
Bio: Bruce Henderson is an American journalist and author of more than 20 nonfiction books, including a #1 New York Times bestseller, And the Sea Will Tell. His most recent book is Rescue at Los Baños: The Most Daring Prison Camp Raid of World War II.