Since, however, you all know this, you must take it into account and not let the war pass into your own country; you must not invite catastrophe through keeping your eyes fixed on the simple strategy of your old war with the Lacedaemonians, but arrange your political affairs and your military preparations so that your line of defence may be as far away from Athens as possible, give him no chance of stirring from his base, and never come to close grips with him.