If You Want Peace, Understand War.

The Predominance Of Moral Factors In All Military Decisions. On Them Constantly Turns The Issue Of War And Battle. In The History Of War They Form The More Constant Factors, Changing Only In Degree, Whereas The Physical Factors Are Different In Almost Every War And Every Military Situation.

Vitality Springs From Diversity -- Which Makes For Real Progress So Long As There Is Mutual Toleration, Based On The Recognition That Worse May Come From An Attempt To Suppress Differences Than From Acceptance Of Them. For This Reason, The Kind Of Peace That Makes Progress Possible Is Best Assured By The Mutual Checks Created By A Balance Of Forces-alike In The Sphere Of Internal Politics And Of International Relations.

In War The Chief Incalculable Is The Human Will, Which Manifests Itself In Resistance, Which In Turn Lies In The Province Of Tactics. Strategy Has Not To Overcome Resistance, Except From Nature. Its Purpose Is To Diminish The Possibility Of Resistance, And It Seeks To Fulfil This Purpose By Exploiting The Elements Of Movement And Surprise.

The Only Thing Harder Than Getting A New Idea Into The Military Mind Is To Get An Old One Out.

The Practical Value Of History Is To Throw The Film Of The Past Through The Material Projector Of The Present On To The Screen Of The Future.