Exodus 27:20
"And thou shalt command the children of Israel, that they bring thee pure oil olive beaten for the light, to cause the lamp to burn always."
Cross References (ranked by relevance)
Psalm 23:5
Thou preparest a table before me in the presence of mine enemies: thou anointest my head with oil; my cup runneth over.
Exodus 39:37
The pure candlestick, with the lamps thereof, even with the lamps to be set in order, and all the vessels thereof, and the oil for light,
Judges 9:9
But the olive tree said unto them, Should I leave my fatness, wherewith by me they honour God and man, and go to be promoted over the trees?
Revelation 11:4
These are the two olive trees, and the two candlesticks standing before the God of the earth.