Exodus 11:8

And all these thy servants shall come down unto me, and bow down themselves unto me, saying, Get thee out, and all the people that follow thee: and after that I will go out. And he went out from Pharaoh in a great anger.

All these thy servants shall ... bow down themselves unto me. This should be the effect of the universal terror: the hearts of the proudest would be humbled and do reverential homage to God, in the person of His representative.

Went out from Pharaoh in a great anger - holy and righteous indignation at the duplicity, repeated falsehood, and hardened impenitence of the king; and this strong emotion was stirred in the bosom of Moses, not at the ill reception given to himself, but the dishonour done to God (Matthew 19:8; Ephesians 4:26).