Isaiah 29:11
11 And the vision of all this has become to you like the words of a book that is tsealed. When men give it to one who can read, saying, “Read this,” he says, “I cannot, for it is sealed.”
Daniel 12:4
4 But you, Daniel, jshut up the words and kseal the book, until lthe time of the end. mMany shall run to and fro, and knowledge shall increase.”