The more usual reason for adopting a strategy of limited aim is that of awaiting a change in the balance of force ... The essential condition of such a strategy is that the drain on him should be disproportionately greater than on oneself.
B. H. Liddell HartIt is thus more potent, as well as more economical, to disarm the enemy than to attempt his destruction by hard fighting ... A strategist should think in terms of paralysing, not of killing.
B. H. Liddell Hart