In Isaiah 42, the First Servant Song of Isaiah, the divine speaker announces the presence of a servant who is chosen by God and a source of delight for God. God will place God’s spirit upon this servant so that the servant is able to bring forth justice to the nations, to be a light, to open blind eyes and bring out prisoners.
In Isaiah 49, the Second Servant Song of Isaiah, God has raised up a servant, one hidden and unknown. God has made this servant the instrument of God’s glory
John 12: "Had Jesus not descended to the grave, how would he have been the life-giving, the soul-quickening root of all his church and people? But now, by this one precious corn of wheat falling into the ground, and dying, how hath the garner of God been filled, and is now continually filling, with his seed!"