The incarnation of Jesus is one representation that God exist. And this is to remind us that the son of God became human to save us all from our sin. “He came down from heaven and is seated at the right hand of the father” this quotation from a prayer tells us that Jesus came down from heaven to be with us his brothers and sisters. God sacrifices his own son to save us all from our sin. Jesus incarnation also tells that people that there’s no impossible with God the Father.