Revelation 1:8

"I am the Alpha and the Omega," says the Lord God, "He who is and was and evermore will be--the Ruler of all."

Revelation 22:13

I am the Alpha and the Omega, the First and the Last, the Beginning and the End.

1 Timothy 3:16

And, beyond controversy, great is the mystery of our religion-- that Christ appeared in human form, and His claims justified by the Spirit, was seen by angels and proclaimed among Gentile nations, was believed on in the world, and received up again into glory.

Matthew 25:34

"Then the King will say to those at His right, "'Come, my Father's blessed ones, receive your inheritance of the Kingdom which has been divinely intended for you ever since the creation of the world.

Matthew 27:37

Over His head they placed a written statement of the charge against Him: THIS IS JESUS THE KING OF THE JEWS.

Revelation 1:11

It said, "Write forthwith in a roll an account of what you see, and send it to the seven Churches--to Ephesus, Smyrna, Pergamum, Thyateira, Sardis, Philadelphia and Laodicea."

Revelation 1:17-18

When I saw Him, I fell at His feet as if I were dead. But He laid His right hand upon me and said, "Do not be afraid: I am the First and the Last, and the ever-living One.

Revelation 2:8

"To the minister of the Church at Smyrna write as follows: "'This is what the First and the Last says--He who died and has returned to life.

Treasury of Scripture Knowledge

Summary

Thus saith the LORD the King of Israel, and his redeemer the LORD of hosts; I am the first, and I am the last; and beside me there is no God.

Bible References

I am the first

Revelation 1:8
"I am the Alpha and the Omega," says the Lord God, "He who is and was and evermore will be--the Ruler of all."
Revelation 2:8
"To the minister of the Church at Smyrna write as follows: "'This is what the First and the Last says--He who died and has returned to life.
Revelation 22:13
I am the Alpha and the Omega, the First and the Last, the Beginning and the End.

Beside

1 Timothy 3:16
And, beyond controversy, great is the mystery of our religion-- that Christ appeared in human form, and His claims justified by the Spirit, was seen by angels and proclaimed among Gentile nations, was believed on in the world, and received up again into glory.

General references

Hebrews 13:8
Jesus Christ is the same yesterday and to-day--yes, and to the ages to come.
James 2:19
You believe that God is one, and you are quite right: evil spirits also believe this, and shudder."
Revelation 22:13
I am the Alpha and the Omega, the First and the Last, the Beginning and the End.