therefore, behold, I will again do wonderful things with this people, with wonder upon wonder; and the wisdom of their wise men shall perish, and the discernment of their discerning men shall be hidden.”
14. Therefore, behold, I add to do. {Bogus footnote} He threatens that he will punish by blinding not only the ignorant or the ordinary ranks, but those wise men who were held in admiration by the people. From this vengeance we may easily learn how hateful a vice hypocrisy is, and how greatly it is abhorred by God, as the Prophet spoke a little before...
Here, I. The prophet stands amazed at the stupidity of the greatest part of the Jewish nation. They had Levites, who taught the good knowledge of the Lord and had encouragement from Hezekiah in doing so, Ch2 30:22. They had prophets, who brought them messages immediately from God, and signified to them what were the causes and what would be the effects of God's displeasure against them.
Commenting on Isaiah 29:9-16
Therefore, behold, I will proceed to do a marvellous work among this people,.... Because of their hypocrisy and formality, their regard to men, their doctrines and commandments, and not to the will and word of God, therefore he determines "to deal marvellously with this people": even a marvellous work, and a wonder; that is, something exceedingly marvellous, which would be matter of astonishment to everyone...