Revelation 22:13

I am the Alpha and the Omega, the first and the last, the beginning and the end.

Revelation 1:8

I am the Alpha and the Omega, saith the Lord God, who is and who was and who is to come, the Almighty.

Revelation 21:6

And he said unto me, They are come to pass. I am the Alpha and the Omega, the beginning and the end. I will give unto him that is athirst of the fountain of the water of life freely.

Revelation 1:17

And when I saw him, I fell at his feet as one dead. And he laid his right hand upon me, saying, Fear not; I am the first and the last,

Isaiah 44:6

Thus saith Jehovah, the King of Israel, and his Redeemer, Jehovah of hosts: I am the first, and I am the last; and besides me there is no God.

Isaiah 48:12

Hearken unto me, O Jacob, and Israel my called: I am he; I am the first, I also am the last.

Revelation 1:11

saying, What thou seest, write in a book and send it to the seven churches: unto Ephesus, and unto Smyrna, and unto Pergamum, and unto Thyatira, and unto Sardis, and unto Philadelphia, and unto Laodicea.

Isaiah 41:4

Who hath wrought and done it, calling the generations from the beginning? I, Jehovah, the first, and with the last, I am he.

Treasury of Scripture Knowledge

Summary

I am Alpha and Omega, the beginning and the end, the first and the last.

Bible References

General references

Revelation 1:8
I am the Alpha and the Omega, saith the Lord God, who is and who was and who is to come, the Almighty.
Revelation 21:6
And he said unto me, They are come to pass. I am the Alpha and the Omega, the beginning and the end. I will give unto him that is athirst of the fountain of the water of life freely.
Isaiah 41:4
Who hath wrought and done it, calling the generations from the beginning? I, Jehovah, the first, and with the last, I am he.
Isaiah 44:6
Thus saith Jehovah, the King of Israel, and his Redeemer, Jehovah of hosts: I am the first, and I am the last; and besides me there is no God.
Isaiah 48:12
Hearken unto me, O Jacob, and Israel my called: I am he; I am the first, I also am the last.

American Standard Version Public Domain