When two armies oppose one another, those who can fight should fight, those who can't fight should guard, those who can't guard should flee, those who can't flee should surrender, and those who can't surrender should die.
两军对敌,能战的当战,不能战的当守,不能守的当走,不能走的当降,不能降的当死。
Victory and defeat aren't solely decided by the size of your army.