I came not to call saints, but sinners to repentance. Then they ask'd him, how comes it that John's disciples,

Then they said to Him, “John’s disciples fast often and say prayers, and those of the Pharisees do the same, but Yours eat and drink.”

John’s disciples brought word to him [in prison] of all these things.

After John’s messengers left, He began to speak to the crowds about John: “What did you go out into the wilderness to see? A reed swaying in the wind?

(And when all the people, including the tax collectors, heard this, they acknowledged God’s way of righteousness, because they had been baptized with John’s baptism.

But the Pharisees and the Students of the Law, having rejected John's baptism, frustrated God's purpose in regard to them.)

The men of Nineveh will rise up at the judgment with this generation and condemn it, because they repented at Jonah’s proclamation, and look—something greater than Jonah is here!

the law and the prophets were the only rule till John's time: since when, the kingdom of God has been proclaim'd, and all sorts of people strive to be members.

"was John's baptism of Heavenly or of human origin?"

Then they answered Jesus that they did not know [who authorized John's immersion].

And when the people were gathered thick together, he began to say, This is an evil generation: they seek a sign; and there shall no sign be given it, but the sign of Jonas the prophet.

For as Jonas was a sign unto the Ninevites, so shall also the Son of man be to this generation.