Endurance cannot be produced by determination alone; endurance is a product of physical exercise.

There is no nobler deed than the performance of one's duty.

If you do not prepare yourself physically to succeed, you must prepare yourself mentally for the humiliation of failure.

Present fear is never as bad as later regret.

A society is doomed when opinions are respected more than truth.

Mental stamina - determination - is a quality of the mind shattered by fatigue.But physical stamina - endurance - is built upon fatigue.

To run with the majority during the race of life is to be mediocre all of the time and wrong most of the time.