While the other three gospels portray Jesus as the King, the Servant, and the Son of Man, John portrays Jesus as the Son of God. John stated his theme more clearly than any of the other gospel writers.
The dominant theme of this gospel is how God reaches down and lifts us up and thus becomes the gateway to heaven where you’ll see the angels of God. That’s a fascinating image isn’t it?
It’s the same as if you went to a great concert. A concert can be a very humbling experience in the sense that the glory of the instruments and music can so enrapture you that you’re transported and you don’t even think about yourself at all.
Imagine what a beautiful scene it will be when “a great multitude that no one could count, from every nation, tribe, people and language” comes out of the Great Tribulation and stands before the throne “holding palm branches in their hands,” crying out in a loud voice.
The Law was given through Moses, but grace and truth were realized through Jesus Christ. We have this contrast. The Law led up to Christ but you see the Law could never save anybody. The Law could only bring us to a point of seeing God’s perfection and righteous requirements but nobody could keep the Law. The Law was never intended to save people. It instead was designed to be a schoolmaster to drive us to dependence upon the One that God would send the Lamb of God who would take away the sin of the world.