“Your life is on the line. Practice well.”

“The enemy who is against the laws of nature will lose his battle before he begins to fight. The first priority to the ninja is to win without fighting.”

“You are not just fighting one opponent. You are fighting the unknown.”

“I am teaching 'shin gi tai ichi.' (Bringing spirit [shin], skill [gi] and body [tai], into one [ichi]).”

“You must not stop in the middle of waza, make your waza alive, without a natural flow your waza cannot be alive.”