On the threshold of the public life: the Baptism; on the threshold of the Passover: the Transfiguration. Jesus' baptism proclaimed "the Mystery of the first regeneration", namely, our Baptism; the Transfiguration "is the Sacrament of the second regeneration": our own Resurrection. 300 From now on we Share in the Lord's Resurrection through the Spirit who Acts in the Sacraments of the Body of Christ. the Transfiguration gives us a foretaste of Christ's glorious Coming, when he "will change our lowly body to be Like his glorious body." 301 But it also recalls that "it is through many persecutions that we must Enter the Kingdom of God": 302