This is my beloved Son. 
Listen to him.

The Transfiguration Of Our Mighty Christ

And after six days Jesus took with him Peter and James and John, and made them go up with him into a high mountain by themselves: and he was changed in form before them:
Mark 9:2
And a cloud came over them; and a voice came out of the cloud, saying, This is my dearly loved Son, give ear to him.
Mark 9:7