Soldiers usually are close students of tactics, but rarely are they students of strategy and practically never of war. - Bernard Brodie

Necessity, which frequently exists only in the mind, is less often the mother of invention than of obstinacy, and the obstinacy of those three years exacted from France a penalty which continued to exert its effects over the years, especially in World War II, and which cannot be fully summed up even now.

In wars throughout history, events have generally proved the pre-hostilities calculations of both sides, victor as well as loser, to have been seriously wrong.

There is no other science where judgements are tested in blood and answered in the servitude of the defeated, where the acknowledged authority is the leader who has won or who instills confidence that he can win.