"People think athleticism is just physical, but it's not. It's connected to the brain and how the brain can learn to execute and see a movement or not. Especially at high speed. Being athletic is not just jumping and running and being powerful. It's the nervous system that guides the body. The muscles don't decide anything. The brain decides and makes things happen."

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I am delighted to have you play football. I believe in rough, manly sports. But I do not believe in them if they degenerate into the sole end of any one's existence. I don't want you to sacrifice standing well in your studies to any over-athleticism; and I need not tell you that character counts for a great deal more than either intellect or body in winning success in life. Athletic proficiency is a mighty good servant, and like so many other good servants, a mighty bad master.

— Theodore Roosevelt