The art of war teaches us to rely not on the likelihood of the enemy’s
not coming, but on our own readiness to receive him;
The _T‘ung Tien_ and _Yü Lan_ read 有能以待之也, but the conciser
form is more likely to be right.
not on the chance of his not attacking, but rather on the
fact that we have made our position unassailable.
The _T‘ung Tien_ and _Yü Lan_ insert 吾也 after the first 攻, and
omit 有所.