Is It More Important Than Just Courage?

The book is estimated to have been written around for 30 AD so it's several hundred years after Caesar's reign. Vigetius put this information together through at a minimum keen observation of how the Roman legions and the Roman military worked. George Washington Carried an annotated copy with him which as I dug into it may or may not be completely true, but at a minimum he paraphrased Vigetium in his first address to Congress in 1790.