Everything in strategy is very simple, but that does not mean everything is very easy.
Carl von ClausewitzWar is a conflict of great interests which is settled by bloodshed, and only in that is it different from others.
Carl von ClausewitzThe deduction of effect from cause is often blocked by some insuperable extrinsic obstacle: the true causes may be quite unknown. Nowhere in life is this so common as in war, where the facts are seldom fully known and the underlying motives even less so.
Carl von ClausewitzGreat things alone can make a great mind, and petty things will make a petty mind unless a man rejects them as completely alien.
Carl von Clausewitz