励志演讲 :执着于你的梦想(4)
Well, let me tell you something. The next morning when I got up, my body was so sore that I couldn't even lift my arms to comb my hair. I had to have my mother comb my hair, and you know how embarrassing that is. But you know something? I learned a very important lesson, that pain means progress. Pain is progress. Each time my muscles were sore from a workout I knew that...