I have.

John 5:32
There is another who testifies about Me, and I know that His testimony about Me is valid.

1 John 5:9, 11, 12
Even if we accept human testimony, the testimony of God is greater. For this is the testimony that God has given about His Son. . . .

the works.

John 3:2
He came to Jesus at night and said, "Rabbi, we know that You are a teacher who has come from God. For no one could perform the signs You are doing if God were not with him."

John 9:30-33
"That is remarkable indeed!" the man said. "You do not know where He is from, and yet He opened my eyes. . . .

John 10:25, 37, 38
"I already told you, " Jesus replied, "but you did not believe. The works I do in My Father's name testify on My behalf. . . .

John 11:37
But some of them asked, "Could not this man who opened the eyes of the blind also have kept Lazarus from dying?"

John 14:10, 11
Do you not believe that I am in the Father and the Father is in Me? The words I say to you, I do not speak on My own. Instead, it is the Father dwelling in Me, performing His works. . . .

John 15:24
If I had not done among them the works that no one else did, they would not be guilty of sin; but now they have seen and hated both Me and My Father.

John 17:4
I have glorified You on earth by accomplishing the work You gave Me to do.

Acts 2:22
Men of Israel, listen to this message: Jesus of Nazareth was a man certified by God to you by miracles, wonders, and signs, which God did among you through Him, as you yourselves know.

Matthew 11:4
Jesus replied, "Go back and report to John what you hear and see: