closed and sealed

Isaiah 29:11 And the vision of all is become unto you as the words of a book that is sealed, which men deliver to one that is learned, saying, Read this, I pray thee: and he saith, I cannot; for it is sealed:

Isaiah 29:12 And the book is delivered to him that is not learned, saying, Read this, I pray thee: and he saith, I am not learned.

Isaiah 29:18 And in that day shall the deaf hear the words of the book, and the eyes of the blind shall see out of obscurity, and out of darkness.

Daniel 12:4 But thou, O Daniel, shut up the words, and seal the book, even to the time of the end: many shall run to and fro, and knowledge shall be increased.

Daniel 12:8 And I heard, but I understood not: then said I, O my Lord, what shall be the end of these things?

9 And he said, Go thy way, Daniel: for the words are closed up and sealed till the time of the end.

10 Many shall be purified, and made white, and tried; but the wicked shall do wickedly: and none of the wicked shall understand; but the wise shall understand.

Revelation 5:1 ¶And I saw in the right hand of him that sat on the throne a book written within and on the backside, sealed with seven seals.

2 And I saw a strong angel proclaiming with a loud voice, Who is worthy to open the book, and to loose the seals thereof?

3 And no man in heaven, nor in earth, neither under the earth, was able to open the book, neither to look thereon.

4 And I wept much, because no man was found worthy to open and to read the book, neither to look thereon.

5 And one of the elders saith unto me, Weep not: behold, the Lion of the tribe of Juda, the Root of David, hath prevailed to open the book, and to loose the seven seals thereof.

Mark 4:22 For there is nothing hid, which shall not be manifested; neither was any thing kept secret, but that it should come abroad.