Exodus 27:20-21

Oil for the Lamp

20 a  “You shall command the people of Israel that they bring to you pure beaten olive oil for the light, that a lamp may regularly be set up to burn. 21 b  In the tent of meeting c  outside the veil that is before the testimony, Aaron and his sons shall tend it from evening to morning before the  Lord. It shall be a statute forever to be observed throughout their generations by the people of Israel.

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