Present fear is never as bad as later regret.
Endurance cannot be produced by determination alone; endurance is a product of physical exercise.
Rights are subordinate to responsibilities.
If you do not prepare yourself physically to succeed, you must prepare yourself mentally for the humiliation of failure.
There is no nobler deed than the performance of one's duty.
Mental stamina - determination - is a quality of the mind shattered by fatigue.But physical stamina - endurance - is built upon fatigue.