When you cannot be deceived by men you will have realised the wisdom of strategy.
Do not regret what you have done
The spirit of defeating a man is the same for ten million men. The strategist makes small things into big things, like building a great Buddha from a one foot model.
You can only fight the way you practice
Do not let the body be dragged along by mind nor the mind be dragged along by the body
It is imperative to master the principles of the art of war and learn to be unmoved in mind even in the heat of the battle.