For he received from God the Father honour and glory, when there came such a voice to him from the excellent glory, This is my beloved Son, in whom I am well pleased.
2 Peter 1:18
And this voice which came from heaven we heard, when we were with him in the holy mount.
2 Peter 1:21
For the prophecy came not in old time by the will of man: but holy men of God spake as they were moved by the Holy Ghost.