My training run is an exercise for my body. But even more, it is an exercise for the mind, a time of...

My training run is an exercise for my body. But even more, it is an exercise for the mind, a time of unparalleled mental activity.

George A. Sheehan

Quote authenticity

Score:	Excellent This quote has an official author source You can cite this quote with confidence as true and correct Listed below is the factual evidence of an official source published by either the author, an author's representative or estate

2017 November 11	Origin: Tweet Link: https://twitter.com/Doc_Sheehan/status/312749958912700416	Image evidence

American cardiologist and running pioneer

November 5th, 1918 - November 1st, 1993