The Father publicly claimed Jesus as his Son at his baptism (Luke 3:22), "A voice came from heaven: 'You are my Son, whom I love; with you I am well pleased.'" The author of the letter to the Hebrews takes pains to emphasize that in calling Jesus "Son", the Father is placing him above the angels (Hebrews 1:4-14) and the prophets (Hebrews 1:1-3).
Yet it is a title that Jesus does not claim directly for himself. There is no "I am the Son of God" in John's Gospel among the other "I am" sayings. We hear it instead as an accusation from the high priest in Mark's Gospel (26:63), "Tell us if you are the Christ, the Son of God," which Jesus answers only obliquely.
For Reflection: The most amazing thing to me is that we also become sons of God when we accept Jesus. We are entitled to call God "Father." Jesus is our brother. And we are heirs of God and co-heirs with Jesus (see Romans 8:12-17). Did you hear? He called me "son."
Let us pray. Jesus, you are the Son of God and I am a son of God. I thank you for sharing your Sonship with me. Father, I thank you for allowing me to be your son.