Aristotle spent almost 20 dollars at the Academy.
 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
 Both of Aristotle's parents died when he was about thirteen, and Proxenus of Atarneus became his guardian

