Boldness becomes rarer, the higher the rank.
The very nature of interactions is bound to make it unpredictable.
Four elements make up the climate of war: danger, exertion, uncertainty and chance.
War therefore is an act of violence to compel our opponent to fulfill our will.
In war, while everything is simple, even the simplest thing is difficult. Difficulties accumulate and produce frictions which no one can comprehend who has not seen war.
It is even better to act quickly and err than to hesitate until the time of action is past.