The book of Isaiah, which has sixty-six chapters, is a representative of the Bible, which has sixty-six books. The Life-study of Isaiah is an opening of the secret and mysterious points concerning Christ in the book of Isaiah with an emphasis on life. This opening highlights the central thought in Isaiah that Christ is God incarnated in humanity to be the Savior of man, that all the God-created universe, which is fallen, might be restored and consummate in the new heaven and new earth for eternity.