John 1:15

John testified of him, and cried, saying, This is the one of whom I said, He that comes after me existed before me, for he was before me.

Matthew 3:11

I indeed baptize you with water to a change of mind; but he that comes after me is mightier than I, whose shoes I am not fit to bear; he shall baptize you with the Holy Spirit, and fire;

Matthew 3:13-17

Then came Jesus from Galilee to the Jordan to John, to be baptized by him.

Mark 1:7

and preached, saying, After me comes one mightier than I, the strings of whose shoes I am not fit to stoop down and untie;

Luke 3:16

John answered all, saying, I indeed baptize you with water, but a mightier than I is coming, the strings of whose shoes I am not fit to untie; he shall baptize you with the Holy Spirit and fire.

John 1:1-2

IN the beginning was the Word, and the Word was with God, and the Word was God.

John 1:7-8

This man came for a testimony, to testify of the light, that all might believe through him.

John 1:27

He is the one coming after me, the strings of whose sandal I am not worthy to untie.

John 1:29-34

On the next day he saw Jesus coming to him, and said, Behold the Lamb of God, who takes away the sin of the world.

John 3:26-36

And they came to John and said to him, Rabbi, he that was with you beyond the Jordan, to whom you testified, behold, this [man] baptizes and all men come to him.

John 5:33-36

You sent to John, and he testified to the truth;

John 8:58

Jesus said to them, I tell you most truly, that before Abraham existed, I am.

John 17:5

And now glorify thou me, Father, with thyself, with the glory which I had with thee before the world was.

Philippians 2:6-7

who being in the form of God thought it not a robbery to be equal with God;

Colossians 1:17

and he is before all things, and in him all things consist,

Hebrews 13:8

Jesus Christ is the same yesterday, to-day, and forever.

Revelation 1:11

saying, What you see write in a book, and send to the seven churches, to Ephesus and to Smyrna and to Pergamus and to Thyatira and to Sardis and to Philadelphia and to Laodicea.

Revelation 1:17-18

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

Revelation 2:8

And to the angel of the church in Smyrna write, These things says the first and the last, who was dead and lived,

Treasury of Scripture Knowledge

Summary

John bare witness of him, and cried, saying, This was he of whom I spake, He that cometh after me is preferred before me: for he was before me.

General references

Bible References

Bare

John 1:7
This man came for a testimony, to testify of the light, that all might believe through him.
John 3:26
And they came to John and said to him, Rabbi, he that was with you beyond the Jordan, to whom you testified, behold, this [man] baptizes and all men come to him.
John 5:33
You sent to John, and he testified to the truth;
Matthew 3:11
I indeed baptize you with water to a change of mind; but he that comes after me is mightier than I, whose shoes I am not fit to bear; he shall baptize you with the Holy Spirit, and fire;
Mark 1:7
and preached, saying, After me comes one mightier than I, the strings of whose shoes I am not fit to stoop down and untie;
Luke 3:16
John answered all, saying, I indeed baptize you with water, but a mightier than I is coming, the strings of whose shoes I am not fit to untie; he shall baptize you with the Holy Spirit and fire.

He was

John 1:1
IN the beginning was the Word, and the Word was with God, and the Word was God.
John 8:58
Jesus said to them, I tell you most truly, that before Abraham existed, I am.
John 17:5
And now glorify thou me, Father, with thyself, with the glory which I had with thee before the world was.
Philippians 2:6
who being in the form of God thought it not a robbery to be equal with God;
Colossians 1:17
and he is before all things, and in him all things consist,
Hebrews 13:8
Jesus Christ is the same yesterday, to-day, and forever.
Revelation 1:11
saying, What you see write in a book, and send to the seven churches, to Ephesus and to Smyrna and to Pergamus and to Thyatira and to Sardis and to Philadelphia and to Laodicea.
Revelation 2:8
And to the angel of the church in Smyrna write, These things says the first and the last, who was dead and lived,

General references

Mark 1:3
A voice of one crying in the wilderness, Prepare the way of the Lord! Make his paths straight.
Luke 3:18
With many other exhortations, also, he preached the good news to the people.
John 1:30
This is he of whom I said, After me comes a man who was before me, for he was before me.
Acts 13:24
John having preached before his coming the baptism of a change of mind to all the people of Israel.