Some summarizing statements before actually looking at Isaiah 40-66.
In summary, several areas come into question in Isaiah. First, who authored Isaiah? Second, how is it that Isaiah was able to speak of the destruction of Jerusalem as if it had already happened? How did Isaiah know about King Cyrus? How can the variants between the Hebrew and the Septuagint be resolved? Why is Isaiah written in prose for the first half and poetry for the second half? Finally, do Isaiah and the gospels constitute a cohesive unit as a profession of God’s salvation for sinful man?
My hermeneutical constraints for reviewing Isaiah 40-66 will be: discover what was the author’s original intent, what differences exist between then and now, what principles are being discussed, and what applications can be made.