Twelfth Sunday after Trinity
Sunday, 23 
(Isaiah 51:1-6; Psalm 138; Romans 12:1-8; Matthew 16:13-20)

They did not thirst when he led them through the deserts; he made water flow for them from the rock.
Isaiah 48:21

For truly I tell you, whoever gives you a cup of water to drink because you bear the name of Christ will by no means lose the reward. 
Mark 9:41