Revelation 1:8

I am Alpha and Omega, the beginning and the end, saith the Lord, who is, and who was, and who will be, the almighty.

Revelation 22:13

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

1 Timothy 3:16

the mystery of piety is the pillar and basts of truth; and certainly most extraordinary. God has appear'd in the flesh, been justified by the spirit, seen by angels, proclaim'd to the Gentiles, believ'd by the world, and assum'd into glory.

Matthew 25:34

the king shall say to those on his right hand, come, ye blessed of my father, inherit the kingdom prepared for you from the foundation of the world.

Matthew 27:37

and they set an Inscription over his head, denoting the reason of his execution, THIS IS JESUS THE KING OF THE JEWS.

Revelation 1:11

saying, "I am Alpha and Omega, the first and the last: and, what you shall see, write in a book, and send it to the seven churches which are in Asia; to Ephesus, to Smyrna, to Pergamos, to Thyatira, to Sardis, to Philadelphia, and to Laodicea."

Revelation 1:17-18

as soon as I saw him, I fell at his feet as dead: but he laid his right hand upon me, and said, "Fear not; I am the first and the last:

Revelation 2:8

And to the angel of the church in Smyrna, write, "THESE things saith the first and last, who was dead, and is alive."

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 Alpha and Omega, the beginning and the end, saith the Lord, who is, and who was, and who will be, the almighty.
Revelation 2:8
And to the angel of the church in Smyrna, write, "THESE things saith the first and last, who was dead, and is alive."
Revelation 22:13
I am Alpha and Omega, the beginning and the end, the first and the last.

Beside

1 Timothy 3:16
the mystery of piety is the pillar and basts of truth; and certainly most extraordinary. God has appear'd in the flesh, been justified by the spirit, seen by angels, proclaim'd to the Gentiles, believ'd by the world, and assum'd into glory.

General references

Hebrews 13:8
Jesus Christ is always the same, yesterday, to-day, and for ever. be not then misled by artful, novel doctrines:
James 2:19
you believe there is but one God, very well: the demons believe as much, and tremble."
Revelation 22:13
I am Alpha and Omega, the beginning and the end, the first and the last.