You must speak to the people of Israel and say, 'Take a male goat ... will appear to you

Moses continues speaking to Aaron. This has a quotation within a quotation. A direct quotation can be stated as an indirect quotation. AT: "And tell the people of Israel to take a male goat ... will appear to all the people" (See:rc://en/ta/man/translate/figs-quotesinquotes and rc://en/ta/man/translate/figs-quotations)

to sacrifice before Yahweh

"to sacrifice to Yahweh"