Mental stamina - determination - is a quality of the mind shattered by fatigue.But physical stamina - endurance - is built upon fatigue.
Len SmithEndurance cannot be produced by determination alone; endurance is a product of physical exercise.
Len SmithIf you do not prepare yourself physically to succeed, you must prepare yourself mentally for the humiliation of failure.
Len SmithTo run with the majority during the race of life is to be mediocre all of the time and wrong most of the time.
Len Smith