After graduating, he studied the teachings of Aristotle, and before long, he was troubled by his inability to reconcile the views of Aristotle with the teachings of the Bible.
Pärast lõpetamist uuris ta Aristotelese õpetusi, kuid üsna pea tegi teda rahutuks see, et ta ei suutnud Aristotelese vaateid Piibliga ühitada.