Compare the distances that the heroes of the Iliad traveled by sea on their way to Troy with the distances that their descendants traveled in the 7th century. BC, traveling from city to city.
For example, the distance from Pylos (on the western coast of the Peloponnese) to Troy (on the shores of the Dardanelles) is 3-5 times less than the distance from Pylos to any of the Greek colonies in the Crimea or to Massalia (Marseille) on the southern coast of Gaul.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.