John 8:28

Jesus therefore said unto them, When ye have lifted up the Son of man, then ye shall know that I am He, and that I do nothing of myself, but as my Father hath instructed me, I speak these things.

John 3:14

And as Moses lifted up the serpent in the wilderness, so must the Son of man be lifted up:

John 5:19

Jesus therefore answered and said unto them, Verily, verily I say unto you, the Son can do nothing of Himself, but what He seeth the Father do: for whatsoever He doth, these also the Son doth in like manner.

John 5:30

I can do nothing of my self: as I hear, I judge: and my judgment is just; because I seek not my own will, but the will of the Father that hath sent me.

John 3:11

I assure thee, that we speak what we know, and testify what we have seen; though ye receive not our testimony.

Matthew 27:50-54

But Jesus cried out again with a loud voice; and then gave up the ghost.

John 6:38

For I came down from heaven, not to do my own will, but the will of Him that sent me.

John 8:24

Therefore I said unto you, that ye shall die in your sins; for if ye believe not that I am the Messiah, ye shall die in your sins.

John 11:42

I knew indeed that Thou always hearest me: but because of the people standing by I say this, that they may believe that Thou hast sent me.

John 12:32-34

And I, when I am lifted up from the earth, shall draw all men unto me.

John 12:49-50

For I have not spoken of myself; but the Father, who sent me, gave me a commandment, what I should say and what I should speak.

John 16:10

of righteousness, because I am going to my Father and ye shall see me no more;

John 19:18

where they crucified Him, and with Him two others, one on each side, and Jesus in the middle.

Acts 2:41

They therefore that received his word with readiness were baptized: and in that same day there were added unto them about three thousand souls.

Acts 4:4

But many of them who heard the word, believed: and the number of the men was about five thousand.

Romans 1:4

but powerfully declared to be the Son of God, according to the spirit of holiness, by his resurrection from the dead, even Jesus Christ our Lord;

1 Thessalonians 2:15-16

who both killed the Lord Jesus, and their own prophets, and have persecuted us; who are displeasing to God, and contrary to all men:

Hebrews 2:2-3

For if the word spoken by angels was stedfast, and every transgression and disobedience received it's just recompence;

Treasury of Scripture Knowledge

Summary

Then said Jesus unto them, When ye have lifted up the Son of man, then shall ye know that I am he, and that I do nothing of myself; but as my Father hath taught me, I speak these things.

But

Bible References

When

John 3:14
And as Moses lifted up the serpent in the wilderness, so must the Son of man be lifted up:
John 12:32
And I, when I am lifted up from the earth, shall draw all men unto me.
John 19:18
where they crucified Him, and with Him two others, one on each side, and Jesus in the middle.

Then

Matthew 27:50
But Jesus cried out again with a loud voice; and then gave up the ghost.
Acts 2:41
They therefore that received his word with readiness were baptized: and in that same day there were added unto them about three thousand souls.
Acts 4:4
But many of them who heard the word, believed: and the number of the men was about five thousand.
Romans 1:4
but powerfully declared to be the Son of God, according to the spirit of holiness, by his resurrection from the dead, even Jesus Christ our Lord;
1 Thessalonians 2:15
who both killed the Lord Jesus, and their own prophets, and have persecuted us; who are displeasing to God, and contrary to all men:

And that

John 5:19
Jesus therefore answered and said unto them, Verily, verily I say unto you, the Son can do nothing of Himself, but what He seeth the Father do: for whatsoever He doth, these also the Son doth in like manner.
John 6:38
For I came down from heaven, not to do my own will, but the will of Him that sent me.
John 11:42
I knew indeed that Thou always hearest me: but because of the people standing by I say this, that they may believe that Thou hast sent me.
John 12:49
For I have not spoken of myself; but the Father, who sent me, gave me a commandment, what I should say and what I should speak.
Hebrews 2:2
For if the word spoken by angels was stedfast, and every transgression and disobedience received it's just recompence;

But

John 3:11
I assure thee, that we speak what we know, and testify what we have seen; though ye receive not our testimony.