Adam Clarke on Matthew 11:26

Even so, Father - Ναι ο πατηρ. An emphatical ratification of the preceding address.

It was right that the heavenly wisdom, despised, rejected, and persecuted by the scribes and Pharisees, should be offered to the simple people, and afterwards to the foolish people, the Gentiles, who are the children of wisdom, and justify God in his ways, by bringing forth that fruit of the Gospel of which the Pharisees refused to receive even the seed.