Exodus 27:20-21

20And thou shalt commandH6680 the children of IsraelH3478, that they bringH5927 thee oliveH2132 oilH8081, pureH2134, beaten, for the lightH3974, to lightH3974 the lampH5216 continuallyH8548. 21In the tentH168 of meetingH4150 outside the veil, which is before the testimonyH5715, AaronH175 and his sonsH1121 shall dress them from eveningH6153 to morningH1242 before Jehovah: [it is] an everlasting statuteH2708, for their generationsH1755, on the part of the children of IsraelH3478.