The fundamental qualities for good execution of a plan is first; intelligence; then discernment and judgment, which enable one to recognize the best method as to attain it; the singleness of purpose; and, lastly, . . . stubborn will.
In whatever position you find yourself, determine first your objective.
Don't drown yourself in details. Look at the whole.
It take 15,000 casualties to train a major general.
In tactics, action is the governing rule of war.
This is not a peace. It is an armistice for twenty years.