If you want to run, run a mile. If you want to experience a different life, run a marathon. 
I was not talented enough to run and smile at the same time
What has passed is already finished with. What I find more interesting is what is still to come. 
My running was very simple; it was out of myself.
Sri Chinmoy brings Heaven to me. He inspires everyone to be happy. He deserves the biggest gold medal.
It is not necessary to smile and make a wonderful impression on the judges.
If you come to think of it, you never see deer, dogs and rabbits worrying about their menus and yet they run much faster than humans. 
Why should I practice running slow? I already know how to run slow. I want to learn to run fast. 
It's at the borders of pain and suffering that the men are separated from the boys. 
A runner must run with dreams in his heart, not money in his pocket. 
Great is the victory, but the friendship of all is greater. 
The athlete of today is not an athlete alone. He's the center of a team - doctors, scientists, coaches, agents and so on. 
Men, today we die a little. 
We are different, in essence, from other men. If you want to win something, run 100 meters. If you want to experience something, run a marathon. 
Try for a goal that's reasonable, then gradually raise it. 