Albert Barnes Commentary 2 Peter 1:17

"For he received from God the Father honor and glory, when there was borne such a voice to him by the Majestic Glory, This is my beloved Son, in whom I am well pleased:" — 2 Peter 1:17 (ASV)

For he received from God the Father honour and glory, He was honoured by God in being thus addressed.

When there came such a voice to him from the excellent glory. The magnificent splendour; the bright cloud which overshadowed them, Matthew 17:5.

This is my beloved Son, in whom I am well pleased. See Matthew 17:5; see Matthew 3:17. This demonstrated that he was the Messiah. Those who heard that voice could not doubt this; they never did afterwards doubt.