See to it that you temper yourself with one thousand days of practice, and refine yourself with ten thousand days of training.
If there is a Way involving the spirit of not being defeated, to help oneself and gain honour, it is the Way of Strategy.
If you do not control the enemy, the enemy will control you
By knowing things that exist, you can know that which does not exist.
Strategy is the craft of the warrior.
Get beyond love and grief: exist for the good of Man.