In them the prophecy of Isaiah is fulfilled: ‘You will be ever hearing but never understanding; you will be ever seeing but never perceiving.
KJV
And in them is fulfilled the prophecy of Esaias, which saith, By hearing ye shall hear, and shall not understand; and seeing ye shall see, and shall not perceive:
ASV
And unto them is fulfilled the prophecy of Isaiah, which saith, By hearing ye shall hear, and shall in no wise understand; And seeing ye shall see, and shall in no wise perceive: