Leviticus 10:10-12

Young's Literal Translation

¹⁰ so as to make a separation between the holy and the common, and between the unclean and the pure;

¹¹ and to teach the sons of Israel all the statutes which Jehovah hath spoken unto them by the hand of Moses.'

¹² And Moses speaketh unto Aaron, and unto Eleazar, and unto Ithamar his sons, who are left, `Take ye the present that is left from the fire-offerings of Jehovah, and eat it unleavened near the altar, for it [is] most holy,