An instructor once told me that when there's resistence in your body, it's only because of the resistence in your mind. It's about getting inside the pose. Being the breath.
Back in those days intimidation was the greatest tool the drill instructor had. Without that tool, he would not have had control.
The bad news motivated the drill instructors that much more.
As in everything, nature is the best instructor.
Mistakes are their own instructors
He who has failed three times sets up as an instructor.
Bad nature never lacks an instructor.
Practice is the best of all instructors.
Nature is the best instructor.
As a pirate, she once undressed a fencing instructor using only her sword!
Once I win, everyone will know who my instructor is in mixed martial arts.
The closet is the best study. The commentators are good instructors, but the Author Himself is far better.
The grand instructor, time.
Adversity is a severe instructor, set over us by one who knows us better than we do ourselves.
Fear is a great instructor.
Fear is an instructor of great sagacity, and the herald of all revolutions.