וְאֶת־הַמַּטֶּ֥ה הַזֶּ֖ה תִּקַּ֣ח בְּיָדֶ֑ךָ אֲשֶׁ֥ר תַּעֲשֶׂה־בּ֖וֹ אֶת־הָאֹתֹֽת׃ (פ)
And thou shalt take in thy hand this rod, wherewith thou shalt do the signs.’
Read Jewish philosophical commentary on Exodus 4:17: and classical philosophical sources.