John Gills Exposition of the Bible Commentary - Isaiah 12:1
And in that day thou shalt say ,.... The following song of praise; just as Israel did, when they were brought through the Red sea, and saved out of the hands of their enemies; to which there are several allusions and references in it; that deliverance being typical of salvation by Christ; the Gospel day, or the times of the Gospel, are here meant: O Lord, I will praise thee ; or "confess thee"; to be my Lord, Redeemer, and Saviour, my Husband, Head, and King; or "confess to thee" F17 ... read more
Matthew Henry's Complete Commentary - Isaiah 12:1-3
This is the former part of the hymn of praise which is prepared for the use of the church, of the Jewish church when God would work great deliverances for them, and of the Christian church when the kingdom of the Messiah should be set up in the world in despite of the opposition of the powers of darkness: In that day thou shalt say, O Lord! I will praise thee. The scattered church, being united into one body, shall, as one man, with one mind and one mouth, thus praise God, who is one and his... read more