12:1 And in that day thou {a} shalt say, O LORD, I will praise thee: though thou wast angry with me, thy anger is turned away, and thou didst comfort me.
(a) He shows how the Church will praise God, when they are delivered from their captivity.
12:2 Behold, God [is] my {b} salvation; I will trust, and not be afraid: for the LORD [is] my strength and [my] song; he also is become my salvation.
(b) Our salvation stands only in God, who gives us an assured confidence, constancy and opportunity to praise him for the same.
12:3 Therefore with joy shall ye {c} draw water out of the wells of salvation.
(c) The graces of God will be so abundant that you may receive them in as great plenty as waters out of a fountain that is full.
12:6 Cry aloud and shout, {d} thou inhabitant of Zion: for great [is] the Holy One of Israel in the midst of thee.
(d) You who are of the Church.