There are 66 chapters in Isiah, as there is 66 books in the Bible.
The Bible is divided between the first 39 books of the Old Testament, and the 27 books of the New Testament.
In the Book of Isiah, after the 39th chapter(representative of the OT) , the 40th chapter begins with:
Isaiah 40:1 Comfort ye, comfort ye my people, saith your God. 40:2 Speak ye comfortably to Jerusalem, and cry unto her, that her warfare is accomplished, that her iniquity is pardoned: for she hath received of the LORD's hand double for all her sins. 40:3 The voice of him that crieth in the wilderness, Prepare ye the way of the LORD, make straight in the desert a highway for our God.
Foreshadowing John the Baptist at the exact book representing of the beginning of the NT.
The Bible is divided between the first 39 books of the Old Testament, and the 27 books of the New Testament.
In the Book of Isiah, after the 39th chapter(representative of the OT) , the 40th chapter begins with:
Isaiah 40:1 Comfort ye, comfort ye my people, saith your God. 40:2 Speak ye comfortably to Jerusalem, and cry unto her, that her warfare is accomplished, that her iniquity is pardoned: for she hath received of the LORD's hand double for all her sins. 40:3 The voice of him that crieth in the wilderness, Prepare ye the way of the LORD, make straight in the desert a highway for our God.
Foreshadowing John the Baptist at the exact book representing of the beginning of the NT.