This is the symbol of p baptism as rebirth as children of Light.
Only the vicissitudes of life can show us its vanity and develop our innate love of death or of rebirth to a new life.
In the most developed forms, such as the offering of soma, they assumed a great importance; (r) the sacrificer had to pass from the world of man into a world of the gods; consequently he was separated from the common herd of mankind and purified; he underwent ceremonies emblematic of rebirth and was then subject to numberless taboos imposed for the purpose of maintaining his ceremonial purity.
Not beliefs, he said, but believers need rebirth.
And sacramentalism informs the great discourses concerning rebirth by water and the spirit, and feeding on the Living Bread, Jesus' flesh and blood, and the narrative of the issue of blood and water from the dead Jesus' side.