This is a symbol of baptism, which now saves you-- not the putting away of the filth of the flesh, but the answer of a good conscience toward God, through the resurrection of Jesus Christ,
In Ephesians chapter four, Paul tells us that "He who has ascended is the same one who first of all descended into the lower parts of the earth. And when he ascended, he led the captives from their captivity" ( Ephesians 4:8-9 ).