21st Sunday in Ordinary Time C: Responsorial Psalm
Psalm 117:1, 2; Mark 16:15 (response)
Go out to all the world and tell the Good News.
Or:
Alleluia.
Verse 1:
Praise the LORD, all you nations;
glorify him, all you peoples!
Verse 2:
For steadfast is his kindness toward us,
and the fidelity of the LORD endures forever.