Physical fitness 
 physical fitness is not only one of the most important keys to a healthy body it is based on dynamic and creative intellectual activity. The relationship between the soundness of the body and the activities of the mind is subtle and complex. much is not yet understood but we do know what the Greeks knew that intelligence and skill can only function at the peak of their capacity when the body is healthy 

healthy body, it is the basis of dynamic and creative intellectual activity. The relationship between the soundness of the body and the activities of the mind is subtle and complex. Much is not yet understood. But we do know what the Greeks knew: that intelligence and skill can only function at the peak of their capacity when the body is healthy and strong."

-President John F. Kennedy

 

What this quote talks about is that physical avtivity is important. It not only helps the body but it helps the mind as well. John F. Kennedy strongly supported physical education. He did many good things in American but since he did good he got shot. After his death many people got into the idea of physical education. Thanks to our president we now have physical education. That helps us grow in body and mind.and strong.