Acts 22:7

and I fell upon the ground and heard a voice say to me, 'Saul! Saul! Why do you persecute me?'

Then he will answer, 'I tell you, in so far as you failed to do it for one of these people who are humblest, you failed to do it for me.'

He said, "Why, what has he done that is wrong?" But they shouted all the louder, "Have him crucified!"

though I once used to abuse, persecute, and insult him. But he had mercy on me, because I had acted in ignorance and unbelief,

Treasury of Scripture Knowledge

And I fell unto the ground, and heard a voice saying unto me, Saul, Saul, why persecutest thou me?

When the disciples heard it, they were dreadfully frightened and fell upon their faces.