" . God wants his servant Israel to understand “that I am he” (43:10; cf. 41:4; 48:12). The Hebrew conjures up associations with Exodus 3:14; the Greek rendering of this phrase is precisely the expression that Jesus repeatedly applies to himself in John 8 (e.g., John 8:58, “I am”). How then does Isaiah 43 shape how we must think of Jesus? "

― D.A. Carson , For the Love of God: Volume Two: A Daily Companion for Discovering the Riches of God's Word: 2