Acts 9:4
He dropped to the ground; then he heard a voice saying to him, "Saul, Saul, why are you persecuting me?"
Acts 10:3
One afternoon about three o'clock he had a vision and clearly saw an angel of God come to him and say, "Cornelius!"
Acts 10:13
A voice came to him, "Get up, Peter, kill something and eat it."
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.