48:12 I am the first. This is the last of the three divine claims in Isaiah that: “I am the first, I also am the last” (see also Isaiah 41:4; 44:6). The Lord Jesus made the very same claim four times in the book of Revelation, therefore clearly claiming that He is Messiah, and Messiah is eternal God (Revelation 1:11,17; 2:8; 22:13).