For even the best of peace training is more theoretical than practical experience ... indirect practical experience may be the more valuable because infinitely wider.
B. H. Liddell HartThe unexpected cannot guarantee success, but it guarantees the best chance of success.
B. H. Liddell HartThe 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 Hart