Nature is your friend; it helps you to win. Your enemy will have unnatural movement, therefore you will be able to know what he is going to do before he does it.

When weak or injured always continue training as you should always be able to adapt in any condition.

No more talk. I'm sick of people talking. Train.

Learning a technique is not an end in itself, it merely indicates where you need to start.

Forget your sadness, anger, grudges and hatred. Let them pass like smoke caught in a breeze. Do not indulge yourself in such feelings.

Move with your feet, the hands will follow.

The first priority to the ninja is to win without fighting.