Acts 9:4
He fell to the ground, and heard a voice which said to him, "Saul, Saul, why are you persecuting me?"
Acts 10:3
About three o'clock one afternoon he had a vision, and distinctly saw an angel of God enter his house and say to him, "Cornelius."
Acts 10:13
A voice came to him, saying, "Rise, Peter, kill and eat."
Treasury of Scripture Knowledge
Summary
And when the LORD saw that he turned aside to see, God called unto him out of the midst of the bush, and said, Moses, Moses. And he said, Here am I.