The traditional story about his departure records that he was disappointed with the Academy's direction after control passed to Plato's nephew Speusippus, although it is possible that he feared the anti-Macedonian sentiments in Athens at that time and left before Plato died.
ðə tɹɐdˈɪʃənəl stˈoːɹi ɐbˌaʊt hɪz dᵻpˈɑːɹtʃɚ ɹˈɛkɚdz ðæt hiː wʌz dˌɪsɐpˈɔɪntᵻd wɪððɪ ɐkˈædəmiz dᵻɹˈɛkʃən ˈæftɚ kəntɹˈoʊl pˈæst tə plˈɑːɾoʊz nˈɛfjuː spjˈuːsɪpəs, ɔːlðˈoʊ ɪɾ ɪz pˈɑːsᵻbəl ðæt hiː fˈɪɹd ðɪ ˈæntaɪmˌæsɪdˈoʊniən sˈɛntɪmənts ɪn ˈæθᵻnz æt ðæt tˈaɪm ænd lˈɛft bᵻfˌoːɹ plˈɑːɾoʊ dˈaɪd.