He taught at the seminary in St Edmund's Seminary, Ware from 1952 to 1965 and was the first Catholic to give the F. D. Maurice Lectures at King's College London, which were published in 1966 as "God's Grace in History".
He taught at the seminary in St Edmund's Seminary, Ware from 1952 to 1965 before moving to Heythrop College. Davis was the first Catholic to give the F. D. Maurice Lectures at King's College London, which were published in 1966 as "God's Grace in History".