Know the difference between a catastrophe and an inconvenience. - To realize that it's just an inconvenience, that it is not a catastrophe, but just an unpleasantness, is part of coming into your own, part of waking up.

A wise man can learn more from a foolish question than a fool can learn from a wise answer.

Knowing is not enough, You must apply

The three most difficult things in life are: 1. To keep a secret. 2. To forget an injury. 3. To make good use of leisure.

Instead of dedicating your life to actualize a concept of what you should be like, actualize yourself.

If mere mechanical efficiency can make everyone a martial artist, then all is well. Unfortunately, combat, like freedom, is something that can not be preconceived.

The best form of endurance exercise is the performance of the event.