Physical evidence 

                                                                      Quote      

“Physical fitness is not only one of the most important keys to a 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.”

Reflection:

What A GREAT QUOTE IN MY OPINION.YES I DO AGREE THAT PHYSICAL FITNESS IS VERY IMPORTANT. I MYSELF WANT TO BE MORE FIT.