You are never really playing an opponent. You are playing yourself, your own highest standards, and when you reach your limits, that is real joy.
It's not the will to win that matters—everyone has that. It's the will to prepare to win that matters.

I hated every minute of training, but I said, 'Don't quit. Suffer now and live the rest of your life as a champion.'
The difference between the impossible and the possible lies in a person's determination.