In today's Gospel reading from Luke 10, Jesus said, "All things have been handed over to me by my Father. No one knows who the Son is except the Father, and who the Father is except the Son and anyone to whom the Son wishes to reveal him." So the Father and the Son know each other, and the Son reveals the Father to his chosen ones. As a result, we also get to know the Son. It is through Jesus that we get to know both God the Father and God the Son.