When men do not run they are likely to die prematurely from dysfunction of the heart and vascular systems or from disabling chronic disease.

Man is a distance runner as a consequence of hundreds of thousands of years of chasing antelopes, horses, elephants, wild cattle, and deer.

When men do not run they are likely to die prematurely from dysfunction of the heart and vascular systems or from disabling chronic disease.

The human cardiovascular system evolved as part of the physiology of [prehistoric] hunters, who ran for their lives.

The desert sky is encircling, majestic, terrible.

There is a secret person undamaged in every individual.

Who would want to live in a world that is just not quite fatal?