Plutarch says that the life of a Vestal virgin was divided into three portions; in the first of which she learned the duties of her profession, in the second she practiced them, and in the third she taught them to others. This is no bad model for the life of a physician.

Commentaries on the History and Cure of Diseases, Preface (p. vii), T. Payne, Mews-Gate. 1802