 Pope St. John Paul II was the most favorable of recent Popes.As early as the year 200, the Church Father Irenaeus referred to Mary as the cause of our salvation () given her "fiat" ("let it be").Theologians distinguish between "remote cooperation", by which she consents to the Incarnation and gives birth to the Son of God, and "immediate cooperation", in which she willingly unites herself to her Son's Passion and offers him back to the Father.