The most consistently successful commanders, when faced by an enemy in a position that was strong naturally or materially, have hardly ever tackled it in a direct way. And when, under pressure of circumstances, they have risked a direct attack, the result has commonly been to blot their record with a failure.
B. H. Liddell HartWhile hitting one must guard ... In order to hit with effect, the enemy must be taken off his guard.
B. H. Liddell HartAs has happened so often in history, victory had bred a complacency and fostered an orthodoxy which led to defeat in the next war.
B. H. Liddell HartThe blurring of the line between policy and strategy] encouraged soldiers to make the preposterous claim that policy should be subservient to their conduct of operations, and (especially in democratic countries) it drew the statesman on to overstep the definite border of his sphere and interfere with his military employees in the actual use of their tools.
B. H. Liddell Hart