وَلَقَدْ أَرْسَلْنَا مُوسَىٰ بِـَٔايَـٰتِنَآ إِلَىٰ فِرْعَوْنَ وَمَلَإِي۟هِۦ فَقَالَ إِنِّى رَسُولُ رَبِّ ٱلْعَـٰلَمِينَ Qur’an Az-Zukhruf (43:46)Walaqad arsaln a moos a bi a y a tin a il a firAAawna wamalaihi faq a la innee rasoolu rabbi alAA a lameen a
I.e., in pursuance of the principle, referred to above, that it is not permissible to worship anyone or anything but God.
For the story of Moses in detail, see vii. 103-137, but especially vii. 104, 130- 136.