If it is to your advantage, make a forward move; if not, stay where you are.
He will win who has military capacity and is not interfered with by the sovereign.
Do not swallow bait offered by the enemy. Do not interfere with an army that is returning home.
It is essential to seek out enemy agents who have come to conduct espionage against you and to bribe them to serve you. Give them instructions and care for them. Thus doubled agents are recruited and used.
In desperate position, you must fight.
Who can determine where one ends and the other begins?