Q: St. Augustine, why do we no longer offer sacrifices like they did in the Old Testament? Did those sacrifices serve any purpose at all?
A: While we consider it no longer a duty to offer sacrifices, we recognize sacrifices as part of the mysteries of Scripture, by which those things prophesied were foreshadowed. For they were our examples, and in one and various ways they all signified the one sacrifice which we now celebrate. Now that this sacrifice has been revealed, and has been offered in due time, those are no longer binding as an act of worship, but retain their authority as a sign.