If it hurts, make it hurt more.
While a man is racing he must hate himself and his competitors.
If you die, I will bury you in the sandhills with all the other runners.
If the coach cannot do it, he cannot 'teach' it-only talk about it.
I'm not interested in athletics, I'm only interested in achievement. Fix your goal and work for it.
To be great, one does not have to be mad, but definitely it helps.