Acts 26:15 KJV
And I said, Who art thou, Lord? And he said, I am Jesus whom thou persecutest.
Acts 26:15, King James Version
In context
14 And when we were all fallen to the earth, I heard a voice speaking unto me, and saying in the Hebrew tongue, Saul, Saul, why persecutest thou me? it is hard for thee to kick against the pricks.
15 And I said, Who art thou, Lord? And he said, I am Jesus whom thou persecutest.
16 But rise, and stand upon thy feet: for I have appeared unto thee for this purpose, to make thee a minister and a witness both of these things which thou hast seen, and of those things in the which I will appear unto thee;