While he was still speaking, a bright cloud covered them. A voice came from the cloud, saying, “This is my son whom I love, who pleases me. Listen to him.”
He replied, “The Holy Spirit will come upon you, and the power of the Most High will cover you. The baby who is to be born is holy, and will be called the Son of God.
But these are written down here so that you may trust that Jesus is the Messiah, the Son of God, and that by trusting in him as he is you will have life.
from the time John was baptizing up until the day Jesus was taken up to heaven from us. One of these must be chosen to join together with us as we witness, giving evidence of Jesus' resurrection.”
What the law couldn't do because it was powerless due to our sinful nature, God was able to do! By sending his own Son in human form, God dealt with the whole problem of sin and destroyed sin's power in our sinful human nature.