" The bicycle was proclaimed a boon to all mankind, a thing of beauty, good for the spirits, good for health and vitality, indeed one’s whole outlook on life. Doctors enthusiastically approved. One Philadelphia physician, writing in The American Journal of Obstetrics and Diseases of Women and Children, concluded from his observations that “for physical exercise for both men and women, the bicycle is one of the greatest inventions of the nineteenth century. "

― David McCullough , The Wright Brothers