# Then Yahweh spoke to Moses, saying, "Command Aaron and his sons, saying, 'This is the law

This has a quotation within a quotation. A direct quotation can be stated as an indirect quotation. Alternate translation: "Then Yahweh spoke to Moses and told him to command Aaron and his sons, saying, 'This is the law" (See:[[rc://en/ta/man/translate/figs-quotesinquotes]] and [[rc://en/ta/man/translate/figs-quotations]])

# must be on the hearth of the altar

"must be on top of the altar"

# the fire of the altar will be kept burning

This can be translated in active form. Alternate translation: "you must keep the fire of the altar burning" (See: [[rc://en/ta/man/translate/figs-activepassive]])