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 Saint Ambrose, who in the 4th century said that "The universe rose again in Him, the heaven rose again in Him, the earth rose again in Him, for there shall be a new heaven and a new earth". This theme developed gradually in the West, later than in the East where the resurrection had been linked from an earlier date to redemption and the renewal and rebirth of the whole world. In art this was symbolized by combining the depictions of the resurrection with the Harrowing of Hell in icons and paintings. A good example is from the Chora Church