Readings of Twenty-First Sunday in Ordinary Time, Year A

First Reading: Isaiah 22:19-23

Psalm 138: 1-2a, 2b-3, 6, 8b R: O Lord, your merciful love is eternal; discard not the work of your hands.

Second Reading: Romans 11: 33-36

Alleluia, Alleluia, Alleluia! You are Peter, and on this rock I will build my Church, and the gates of hell shall not prevail against it.

GOSPEL: Matthew 16:13-20