 We are saved from our sins or washed clean of them, as the book of Revelation says, through the blood of the Lamb of God. Hello, I'm Father James Kubicki. And if you think about it, there would have been no precious blood to shed for the salvation of the world without Mary. When she said, let it be done to me according to your word at the Annunciation, Jesus was immediately conceived and began to develop within her womb.