“Not everyone who says to me, ‘Lord, Lord,’
will enter the Kingdom of heaven,
but only the one who does the will of my Father in heaven.
“Everyone who listens to these words of mine and acts on them
will be like a wise man who built his house on rock.
--Mt 7:21, 24-27
It is on this harmony of the two
Testaments that the Paschal catechesis of the Lord is built, and then,
that of the Apostles and the Fathers of the Church. This catechesis
unveils what lay hidden under the letter of the Old Testament: the
mystery of Christ. It is called "typological" because it reveals the
newness of Christ on the basis of the "figures" (types) which announce
him in the deeds, words, and symbols of the first covenant. By this
re-reading in the Spirit of Truth, starting from Christ, the figures are
unveiled. Thus the flood and Noah's ark prefigured salvation by
Baptism, as did the cloud and the crossing of the Red Sea. Water from
the rock was the figure of the spiritual gifts of Christ, and manna in
the desert prefigured the Eucharist, "the true bread from heaven."
-- CCC 1094