Perseverance. Whether we wear it on the sleeve of our heart or we hide it deep within our core, we all possess this one special quality. Sadly, most of us don't know its true power. As tough obstacles interfere in our lives, we don't seem to realize that perseverance can pull us through because it is the key to overcoming hurdles and the guiding light to success. One of my ultimate tests of perseverance was a badminton match about one year ago. That day, I stood on the court, tired and out of breath. The score was seven to one, in favor of the opponent, in the third and final set of the ma…