I love going one-on-one with someone. That’s what I do. I’ve never lost. It’s a whole different game, just to have them right in front of you and be able to do whatever you want.
The principles of conditioning apply equally to all species.
The key to a happy life is not in avoiding problems, but in learning how to deal with them effectively.
我们正处于一场关于如何理解和管理我们健康的革命的开端。