Call upon his name - בשמו קראו kiru bishmo, invoke his name. Make him your Mediator, or call the people in his name. Preach him who is the Root of Jesse, and who stands as an ensign for the nations. Call on the people to believe in him; as in him alone salvation is to be found.
And in that day - (see Isaiah 12:1).
Call upon his name - Margin, ‹Proclaim.‘ It denotes to call upon him in the way of celebrating his praise. The whole hymn is one of praise, and not of prayer.
Declare among the people - Among all people, that they may be brought to see his glory, and join in the celebration of his praise.
His doings - Particularly in regard to the great events which are the subject of the previous predictions - his interposition in saving people by the Messiah from eternal death.
Make mention - Hebrew, ‹Cause it to be remembered‘ (see the note at Isaiah 62:6).
Many were to behold the One altogether lovely, the chiefest among ten thousand. “Thine eyes shall see the King in His beauty,” was the gracious promise made them. Isaiah 33:17. Their sins were to be forgiven, and they were to make their boast in God alone. In that glad day of redemption from idolatry they would exclaim, “The glorious Lord will be unto us a place of broad rivers and streams.... The Lord is our judge, the Lord is our lawgiver, the Lord is our king; He will save us.” Verses 21, 22. PK 321.1
The messages borne by Isaiah to those who chose to turn from their evil ways were full of comfort and encouragement. Hear the word of the Lord through His prophet: PK 321.2
“Remember these, O Jacob and Israel;
For thou art My servant:
I have formed thee; thou art My servant:
O Israel, thou shalt not be forgotten of Me.
I have blotted out, as a thick cloud, thy transgressions,
And, as a cloud, thy sins:
Return unto Me; for I have redeemed thee.” PK 321.3