Declare — God will convince the people of his righteousness, and of their own wickedness, by thunders and lightnings, and storms, or other dreadful signs wrought by him in the heavens. Himself — In his own person. God will not now reprove them, by his priests or prophets, but in an extraordinary manner from heaven.
Related Commentaries of Psalms 50:6
Psalms 50:6
6 And the heavens shall declare his righteousness: for God is judge himself. Selah.