Monotheism Even in Ancient Egypt!
Before Yaakov Avinu (Patriarch Jacob) leaves the Holy Land for the last time and descends to Egypt with his family, G-d appears to him "in the visions of the night [and says to him]: Yaakov, Yaakov… I am the Lord, the G-d of your father; do not fear to descend to Egypt, for I will make you a great nation there. I will descend with you to Egypt, and I will certainly raise you up, and Yosef will place his hand on your eyes" (B'reshit 46,2-4).
The final phrase in that verse is somewhat enigmatic, and has been explained in various ways...
Tevet 6 5783