He said to him, "Most assuredly, I tell you, hereafter you will see heaven opened, and the angels of God ascending and descending on the Son of Man."

 Once again John makes clear what his only function was. It was to point men to Christ. He was nothing and Christ was everything. He claimed no greatness and no place for himself; he was only the man who, as it were, drew back the curtain and left Jesus occupying the lonely centre of the stage. 