John 12:28-29

28 Father, glorify your name." Then a voice came from heaven, "I have glorified it, and I will glorify it again."
29 The crowd standing there heard it and said that it was thunder. Others said, "An angel has spoken to him."

John 12:28-29 In-Context

26 Whoever serves me must follow me, and where I am, there will my servant be also. Whoever serves me, the Father will honor.
27 "Now my soul is troubled. And what should I say—"Father, save me from this hour'? No, it is for this reason that I have come to this hour.
28 Father, glorify your name." Then a voice came from heaven, "I have glorified it, and I will glorify it again."
29 The crowd standing there heard it and said that it was thunder. Others said, "An angel has spoken to him."
30 Jesus answered, "This voice has come for your sake, not for mine.
31 Now is the judgment of this world; now the ruler of this world will be driven out.