When he pretends to flee, do not pursue.
Keep your friends close and your enemies even closer.
Carefully study the well-being of your men, and do not overtax them. Concentrate your energy and hoard your strength. Keep your army continually on the move, and devise unfathomable plans.
Concentrate your energy and hoard your strength.
Victory comes from finding opportunities in problems.
Invincibility lies in the defense; the possibility of victory in the attack.