American Standard Version (ASV):
therefore, behold, I will proceed to do a marvellous work among this people, even a marvellous work and a wonder; and the wisdom of their wise men shall perish, and the understanding of their prudent men shall be hid.
King James Version (KJV):
Therefore, behold, I will proceed to do a marvellous work among this people, [even] a marvellous work and a wonder: for the wisdom of their wise [men] shall perish, and the understanding of their prudent [men] shall be hid.