Acts 22:7

And I fell to the ground and heard a voice saying to me, 'Saul, Saul, why do you persecute me?'

Then he will answer them, 'Truly, I say to you, as you did not do it to one of the least of these, you did not do it to me.'

And he said, "Why, what evil has he done?" But they shouted all the more, "Let him be crucified!"

Even though I was formerly a blasphemer and a persecutor and a violent aggressor, I was shown mercy because I acted ignorantly in 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 this, they fell on their faces, and were filled with awe.