**Ptolemy** the second, called Philadelphus, son of the first Ptolemy, reigned over Mitzrayim in year 3485 and was distinguished in all wisdom, loving scholars and honoring them and providing for them. And Yuchsin writes [in Seder HaDorot] that he had 200,000 books of wisdom. And in Ma'or Einayim chapter 8 [(and in Sha'ar HaDorot 105)]...