The Church sees the human body, which Christ himself took on, to be something good but which will be transformed in the life to come. 1 Cor. 15:25-49. The body isn’t something to be carelessly discarded, but to be renewed.
Church is Mother. In the Church we are conceived and given spiritual birth. She nurses us in our infancy, brings us up as children, and guides us into mature perfection. She is there to pick us up when we fall and to encourage us when we lag. – John Calvin
The paradigm that this portion of the Creed adopts is that of Jesus as a victorious conquering King. In the Resurrection he defeats death, and in the Ascension he is elevated to his position of kingly power and authority.
The promise is that we, in our very being, will be changed, for it is the kingdom of God itself that comes upon us. Matt. 12:28. And this transformation cannot occur unless he himself becomes one of us.
If Jesus is only a man or only God, then we are still dead in our sinful corrupted nature. It is only when the fullness of God assumes our very nature that we are redeemed and receive adoption as children of God in whom he is well pleased. Gal. 4:5.
his first part of the second article was written in opposition to the teachings of Bishop Arius who saw himself as a faithful orthodox Biblical Christian priest. If we understand his argument we should have a better understanding of what the Creed teaches.