The good fighter contrives to make the enemy approach; he does not allow himself to be beguiled by the enemy.
By offering an apparent advantage, he induces the enemy to take up a position that will cause his defeat; he plants obstructions to dissuade him from acting in such a way as to threaten his own dispositions.
If the enemy be at rest in comfortable quarters, harass him; if he be living in plenty, cut off his supplies; if sitting composedly awaiting attack, cause him to move.
This may be done by appearing where the enemy is not, and assaulting unexpected points.
If we go where the enemy is not, we may go a thousand leagues without exhaustion.
If we attack those positions which the enemy has not defended, we invariably take them: but on the defence we must be strong, even where we are not likely to be attacked.
Against those skilful in attack, the enemy
