I
think "One can fight and win a hundred wars if one knows
both oneself and the enemy"the most effective
stragtegy in Sunzi's Art of War,removing the information gap so that
can help leader make a sensible decision.
Empty city plan. This is a psychological game, not a
determined person will fail in this confrontation, but a person who
sets up an array can resist thousands of troops with one person's strength.
Having a great understanding of ourselves can make us make less
faults,having a great understangind of the enermy can help us make great
strategy on wars.