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Eusebius Eusebius, Preparation for the Gospel, book 6, chapter 7., holding an opinion different from Chrysippus, softens his view as being too rigid.
of Bosphorus, likewise a listener and faithful follower of Zeno. When Chrysippus consistently refused to test the fortune of the court, yet nevertheless sought one of his disciples from Zeno, Ptolomaeus Philopator Ptolemy IV Philopator, King of Egypt. came to Egypt and, having experienced the mockeries of shifting fortune, wrote On Fortune Laërtius in the life of Sphaerus, book 7.. Regarding Fate, however:
of Alexandria are cited. Cicero Cicero, On Divination, books 1 and 2., Diogenes Laërtius in the life of Zeno., Philo Judaeus Philo, On the Eternity of the World., and Eusebius Eusebius, book 14, Preparation for the Gospel. mention the former. Following Suidas, do not confuse the latter with Posidonius of Apamea or Rhodes, a close friend of Pompey and Cicero; for the chronology contradicts this, since the one of whom we speak was a student of our Zeno of Citium, who flourished under Antigonus.