All scripture is given by inspiration of God. 2 Timothy 3:16
I am the first, and I am the last. Isaiah 44:6
I am the first and the last. Rev 22:13
Repent, and be baptized every one of you in the name of Jesus Christ for the remission of sins . Acts 2:38,8:16,10:48, 19:5
Elijah truly shall first come, and restore all things.
Behold, I will send you Elijah the prophet before the coming of the great and dreadful day of the LORD. Malachi 4:5