Christ in Suffering and Triumph by Henry Morris, Ph.D.

"I am Alpha and Omega, the beginning and the ending, saith the Lord, which is, and which was, and which is to come, the Almighty." (Revelation 1:8)

In the final book of the Bible occur seven great "I am" assertions by the glorified Christ, all speaking of His ultimate victory. However, in the book of Psalms occur seven vastly different "I am" statements by Christ, all speaking prophetically of His sufferings. These are in four of the wonderfully fulfilled Messianic psalms, all written 1,000 years before Christ, yet each psalm cited in the New Testament is fulfilled by Christ.

"But I am a worm, and no man" (Psalm 22:6, comparing Christ to a mother "scarlet worm" who dies so that her young may live, and in so doing gives off a scarlet fluid which protects and nourishes her young).
"I am poor and needy" (Psalm 40:17).
"I am . . . a stranger unto my brethren" (Psalm 69:8).
"I am full of heaviness" (Psalm 69:20).
"I am poor and sorrowful" (Psalm 69:29).
"I . . . am as a sparrow alone upon the house top" (Psalm 102:7).
"I am withered like grass" (Psalm 102:11).

In contrast to these lonely sufferings of Christ, there are the glories that shall follow. The first of the seven "I am's" of Revelation is our text above, and four of the others proclaim the same great truth (Revelation 1:11, 17; 21:6; 22:13).

The self-existing One, the "I am," Jehovah, the Lord Jesus Christ, who created all things (Alpha), will one day triumph and make all things new forever (Omega). Listen to the other two wonderful testimonies: "I am he that liveth, and was dead; and, behold, I am alive for evermore" (Revelation 1:18). "I am the root and the offspring of David, and the bright and morning star" (Revelation 22:16). HMM

http://www.icr.org/article/7468/