Well there are over 70 interpretation in English. They all agree that right here Jesus spoke to a Jew in Hebrew

Act 26:13 At midday, O king, I saw in the way a light from heaven, brighter than the sun, shining round about me and those who journeyed with me.
Act 26:14 And when we were all fallen to the ground, ..I heard a voice speaking to me, in the Hebrew tongue saying, Saul, Saul, why do you persecute me?
Act 26:15 And I said, Who are you, Lord? And he said, I am Jesus whom you persecute. It is hard for you to fight against the goads.
Act 26:16 But get up, and stand upon thy feet: for I have appeared to you for this purpose, to make you a minister and a witness both of these things which you have seen, and of those things which I will show you;