St. Ambrose (340-397)
Ambrose distinguished himself as a lawyer and a consular governor. In 374, he was baptized, confirmed, ordained a priest, and made a bishop. He was instrumental in the conversion of St. Augustine, and left many writings on Scripture, priesthood, virginity, and doctrinal subjects. He is a Father and Doctor of the Church.

Reflections from the Saints

Our own evil inclinations are far more dangerous than any external enemies.
– St. Ambrose