The true science of martial arts means practicing them in such a way that they will be useful at any time, and to teach them in such a way that they will be useful in all things.

Determine that today you will overcome your self of the day before, tomorrow you will win over those of lesser skill, and later you will win over those of greater skill.

No man is invincible, and therefore no man can fully understand that which would make him invincible

Perception is strong and sight weak. In strategy it is important to see distant things as if they were close and to take a distanced view of close things.

You win battles by knowing the enemy's timing, and using a timing which the enemy does not expect.

If the enemy thinks of the mountains, attack like the sea; and if he thinks of the sea, attack like the mountains.

Also by training you will be able to freely control your own body, conquer men with your body, and with sufficient training you will be able to beat ten men with your spirit. When you have reached this point, will it not mean that you are invincible?