The doctrine of Alexander is of a wealth surpassing all expression. It is said that someone asked St. Thomas what was the best manner of studying theology; he replied that it was by attaching oneself to a Master. "And to which Doctor?" he was asked again. "To Alexander of Hales," the Angelic Doctor replied.
- John Gerson, Opera omnia. Epistola Lugdunum missa cuidam fratri Minori, vol. 1, p. 554.