But as ingenious as the navigators were, none of their methods would have worked if there had not been patterns that governed the indicators they used, such as the rising and setting point of the stars.
ولكن مهما كان الملّاحون بارعين ،‏ فلو لم تكن هنالك انظمة تضبط الظواهر الطبيعية التي استعانوا بها ،‏ كمواقع طلوع وغياب النجوم ،‏ لما نجح اي من طرائقهم .‏