Ascension of Jesus to facilitate the obligation to attend Mass. Saint Jerome held that it was of Apostolic origin, but in fact the ascension was originally part of Pentecost (the coming of the Holy Spirit), and developed as a separate celebration only slowly from the late 4th century onward. In the Catholic tradition it begins with a three-day "rogation" to ask for God's mercy, and the feast itself includes a procession of torches and banners symbolising Christ's journey to the Mount of Olives and entry into heaven, the extinguishing of the Paschal candle, and an all-night vigil; white is the liturgical colour. The
Resurrection of Jesus really are. For Christ, our Passover lamb, has been sacrificed"; this refers to the Passover requirement to have no yeast in the house and to the allegory of Jesus as the Paschal lamb. In the Catacombs of Rome, artists indirectly hinted at the resurrection by using images from the Old Testament such as the fiery furnace and Daniel in the Lion's den. Depictions prior to the 7th century generally showed secondary events such as the Myrrhbearers at the tomb of Jesus to convey the concept of the resurrection. An early symbol of the resurrection was the wreathed Chi Rho (Greek