5 They reasoned with themselves, saying, “If we say, ‘From heaven,’ he will say, ‘Why didn’t you believe him?’
Luke 20:5 Cross References - WEB
John 1:15-18
15 John testified about him. He cried out, saying, “This was he of whom I said, ‘He who comes after me has surpassed me, for he was before me.’”
16 From his fullness we all received grace upon grace.
17 For the law was given through Moses. Grace and truth were realized through Jesus Christ.
18 No one has seen God at any time. The one and only Son, who is in the bosom of the Father, has declared him.
John 1:30
30 This is he of whom I said, ‘After me comes a man who is preferred before me, for he was before me.’
John 1:34
34 I have seen, and have testified that this is the Son of God.”
John 3:26
26 They came to John and said to him, “Rabbi, he who was with you beyond the Jordan, to whom you have testified, behold, he baptizes, and everyone is coming to him.”
John 3:36
36 One who believes in the Son has eternal life, but one who disobeys the Son won’t see life, but the wrath of God remains on him.”
John 5:33-35
Acts 13:25
25 As John was fulfilling his course, he said, ‘What do you suppose that I am? I am not he. But behold, one comes after me, the sandals of whose feet I am not worthy to untie.’