He humiliated Egypt with ten devastating plagues, at the same time exposing the Egyptian gods ​ — including Pharaoh — ​ as impotent.
وَلَا شَكَّ أَنَّ مُوسَى ٱمْتَلَأَ رَهْبَةً لَدَى سَمَاعِهِ هٰذِهِ ٱلْكَلِمَاتِ ٱلْمُقَوِّيَةَ لِلْإِيمَانِ .‏