FARGO, N.D. — In the largely rural Diocese of Fargo, N.D., Father Paul Duchschere will soon be one among many priests helping to prepare children for a sacrament commonly reserved for later in life.

Reflecting on the accounts of the confirmation of the first Christians, recorded in the Acts of the Apostles and in St. Paul’s second letter to the Corinthians, Pope Francis said it is God himself who ...