וַיֹּ֖אמֶר אֶל־עַמּ֑וֹ הִנֵּ֗ה עַ֚ם בְּנֵ֣י יִשְׂרָאֵ֔ל רַ֥ב וְעָצ֖וּם מִמֶּֽנּוּ׃
And he said unto his people: ‘Behold, the people of the children of Israel are too many and too mighty for us;
Read halakhic rulings (Jewish law) on Exodus 1:9: and classical halakhic sources.