The Enemy Of A Good Plan Is

The Object Of Defense Is Preservation; And Since It Is Easier To Hold Ground Than To Take It, Defense Is Easier Than Attack. But Defense Has A Passive Purpose: Preservation; And Attack A Positive One: Conquest.... If Defense Is The Stronger Form Of War, Yet Has A Negative Object, It Follows That It Should Be Used Only So Long As Weakness Compels, And Be Abandoned As Soon As We Are Strong Enough To Pursue A Positive Object.

Boldness Governed By Superior Intellect Is The Mark Of A Hero.

I Shall Proceed From The Simple To The Complex. But In War More Than In Any Other Subject We Must Begin By Looking At The Nature Of The Whole; For Here More Than Elsewhere The Part And The Whole Must Always Be Thought Of Together.

Everything In War Is Very Simple, But The Simplest Thing Is Difficult. The Difficulties Accumulate And End By Producing A Kind Of Friction That Is Inconceivable Unless One Has Experienced War. ... Countless Minor Incidents - The Kind You Can Never Really Foresee - Combine To Lower The General Level Of Performance, So That One Always Falls Short Of The Intended Goal.

The Only Situation A Commander Can Know Fully Is His Own: His Opponent's He Can Know Only From Unreliable Intelligence.