CCC 660

The veiled character of the glory of the Risen One during this time is intimated in his mysterious words to Mary Magdalene: "I have not yet ascended to the Father; but go to my brethren and say to them, I am ascending to my Father and your Father, to my God and your God." Jn 20:17. This indicates a difference in manifestation between the glory of the risen Christ and that of the Christ exalted to the Father's right hand, a transition marked by the historical and transcendent event of the Ascension.

Read the full chapter 2. I Believe in Jesus Christ, the Only Son of God ¶422–682