“from one thing, know ten thousand things”

“To know ten thousand things, know one well”

“It is difficult to realize the true Way just through sword-fencing. Know the smallest things and the biggest things, the shallowest things and the deepest things.”

“The important thing in strategy is to suppress the enemy's useful actions but allow his useless actions”

“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.”

“A bullet from a gun does not make a distinction between practice and combat. You are training to be one and the same way in your life”

“Know your enemy, know his sword.”