Generally the one who first occupies the battlefield awaiting the enemy is at ease;
the one who comes later and rushes into battle is fatigued.
Therefore those skilled in warfare move the enemy, and are not moved by the enemy.
Getting the enemy to approach on his own accord is a matter of showing him advantage;
stopping him from approaching is a matter of showing him harm.
Therefore, if the enemy is at ease, be able to exhaust him;
if the enemy is well fed, be able to starve him;
if the enemy is settled, be able to move him;
appear at places where he must rush to defend, and rush to places where he least expects.