According to one biographer, “by the time he was 14 years of age, he had learned Greek, Latin, and Hebrew, and he had an ample knowledge of philosophy, mathematics, and theology. ”
Sipas një biografi, « kur ishte 14 vjeç, dinte greqisht, latinisht dhe hebraisht, si edhe kishte mjaft njohuri për filozofinë, matematikën dhe teologjinë ».