In the void is virtue, and no evil. Wisdom has existence, principle has existence, the Way has existence, spirit is nothingness.

If you do not control the enemy, the enemy will control you

Whatever your determination or will power, it is foolish to try to change the nature of things. Things work the way they do because that is the way of things

Do not let the body be dragged along by mind nor the mind be dragged along by the body

In battle, if you you make your opponent flinch, you have already won.

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

If you learn indoor techniques, you will think narrowly and forget the true Way. Thus you will have difficulty in actual encounters.