“Oh, the depth of the riches and wisdom and knowledge of God!” Paul exclaims in today’s Epistle. Today’s Psalm, too, takes up the triumphant note of joy and thanksgiving. Why? Because in the Gospel, the heavenly Father reveals the mystery of His kingdom to Peter. With Peter, we rejoice that Jesus is the anointed Son promised to David, the one prophesied to build God’s temple and reign over an everlasting kingdom. What Jesus calls “my Church” is the kingdom promised to David’s son…