Isaiah 29:10-13

10For the Lord has poured out upon you a spirit of deep sleep, and has closed your eyes (the prophets), and covered your heads (the seers).

11And the vision of all this has become to you like the words of a book that is sealed. When men give it to one who can read, saying, "Read this," he says, "I cannot, for it is sealed."

12And when they give the book to one who cannot read, saying, "Read this," he says, "I cannot read."

13And the Lord said: "Because this people draw near with their mouth and honor me with their lips, while their hearts are far from me, and their fear of me is a commandment taught by men,