" It’s because a good attitude, a positive attitude, creates optimism, positive energy. And positive energy is much better at setting good things into motion than negative energy is. Warriors with negative attitudes become victims of their own negative outlook; they lose because their own negativity drains them. Winning has a lot to do with having a good attitude. Not only in competition, Daniel-san, but also in life generally. You must always remember that. "

― , The Art of Mental Training - A Guide to Performance Excellence