Two qualities are indispensable: first, an intellect that, even in the darkest hour, retains some glimmerings of the inner light which leads to truth; and second, the courage to follow this faint light wherever it may lead.
Courage, above all things, is the first quality of a warrior.
Everything in war is very simple. But the simplest thing is difficult.
To secure peace is to prepare for war.
Principles and rules are intended to provide a thinking man with a frame of reference.
War is the province of danger.