"The human body is made up of some four hundred muscles; evolved through centuries of physical activity. Unless these are used, they will deteriorate".
- Eugene Lyman Fisk
"Health is the vital principle of bliss, and exercise of health".
- James Thomson
"We sit at breakfast, we sit on the train on the way to work, we sit at work, we sit at lunch, we sit all afternoon, a hodgepodge of sagging livers, sinking gall bladders, drooping stomachs, compressed intestines, and squashed pelvic organs".
- John Button, Jr.
"Those who do not find time for exercise will have to find time for illness".
- Earl of Derby
"Fitness - It it came in a bottle, everybody would have a great body".
"The preservation of health is a duty. Few seem conscious that there is such a thing as physical morality".
- Herbert Spencer
"The body of man is a machine which winds its own springs".
- J. O. De La Mettrie
"Wholesome exercise in the free air, under the wide sky, is the best medicine for body and spirit".
- Sarah Louise Arnold
"A sound mind in a sound body is a thing to be prayed for".
"Long exercise, my friend, inures the mind;
And what we once disliked we pleasing find".
"It is remarkable how ones wits are sharpened by physical exercise".
- Pliny the Younger
"True enjoyment comes from activity of the mind and exercise of the body; the two are united".
- Alexander von Humboldt
"It is exercise alone that supports the spirits, and keeps the mind in vigor".
"A vigorous five-mile walk will do more good for an unhappy but otherwise healthy adult than all the medicine and psychology in the world".
- Paul Dudley White
"Walking is the best possible exercise".
- Thomas Jefferson
"The human body was designed to walk, run or stop; it wasn't built for coasting".
- Cullen Hightower