John 8:58

Jesus answered them, "Truly, truly, I tell you, before Abraham was born, I am." [Note: The words "I am" were probably construed as a reference to being Deity. See Ex. 3:14].

John 1:1-2

The Word [already] existed in the beginning [of time]. [Note: This is a reference to the preexistence of Jesus. See verse 14]. And the Word was with God and the Word was [what] God [was].

Romans 9:18-19

So then, God has pity on whomever He wants to, and He makes stubborn whomever He wants.

Ephesians 1:11

It is in [fellowship with] Christ that we [Jewish Christians] also were selected as [God's] inheritance [i.e., to receive His never ending blessings], having been predetermined according to the plan of God, who works out everything in harmony with what He wants.

1 Timothy 1:17

Now, may there be honor and praise forever and ever to the eternal King, the immortal, invisible, only God. May it be so.

Hebrews 13:8

Jesus Christ is the same yesterday and today and forever.

Revelation 1:8

"I am the Alpha and the Omega" [Note: These are the first and last letters of the Greek alphabet, and indicate "the beginning and the end" See 21:6], says the Lord God Almighty, who is [in the present], and who was [in the past] and who will come [in the future].

Treasury of Scripture Knowledge

Summary

Yea, before the day was I am he; and there is none that can deliver out of my hand: I will work, and who shall let it?

Bible References

Before

John 1:1
The Word [already] existed in the beginning [of time]. [Note: This is a reference to the preexistence of Jesus. See verse 14]. And the Word was with God and the Word was [what] God [was].
John 8:58
Jesus answered them, "Truly, truly, I tell you, before Abraham was born, I am." [Note: The words "I am" were probably construed as a reference to being Deity. See Ex. 3:14].
1 Timothy 1:17
Now, may there be honor and praise forever and ever to the eternal King, the immortal, invisible, only God. May it be so.
Hebrews 13:8
Jesus Christ is the same yesterday and today and forever.
Revelation 1:8
"I am the Alpha and the Omega" [Note: These are the first and last letters of the Greek alphabet, and indicate "the beginning and the end" See 21:6], says the Lord God Almighty, who is [in the present], and who was [in the past] and who will come [in the future].

I will work

Romans 9:18
So then, God has pity on whomever He wants to, and He makes stubborn whomever He wants.
Ephesians 1:11
It is in [fellowship with] Christ that we [Jewish Christians] also were selected as [God's] inheritance [i.e., to receive His never ending blessings], having been predetermined according to the plan of God, who works out everything in harmony with what He wants.