How did those writers come up with such accurate information when even the most learned people of their time were ignorant of such things?
چگونه آن نگارندگان در زمانی که حتی باهوش‌ترین انسان‌ها از این موضوعات بی‌اطلاع بودند ،‏ به این اطلاعات دقیق دست یافتند ؟‏