2.  It must also be firmly believed that Jesus of Nazareth, Son of Mary and only Saviour of the world, is the Son and Word of the Father.[3][3] For the unity of the divine plan of salvation centred in Jesus Christ, it must also be held that the salvific action of the Word is accomplished in and through Jesus Christ, the Incarnate Son of the Father, as mediator of salvation for all humanity.[4][4] It is therefore contrary to the Catholic faith not only to posit a separation between the Word and Jesus, or between the Word’s salvific activity and that of Jesus, but also to maintain that there is a salvific activity of the Word as such in his divinity, independent of the humanity of the Incarnate Word.[5][5]