Bible Verses About Priests: Lighting and trimming the lamps of the sanctuary

Command the children of Israel that they bring thee the purest oil of the olives, and beaten with a pestle: that a lamp may burn always,

In the tabernacle of the testimony, without the veil that hangs before the testimony. And Aaron and his sons shall order it, that it may give light before the Lord until the morning. It shall be a perpetual observance throughout their successions among the children of Israel.

Without the veil of the testimony in the tabernacle of the covenant. And Aaron shall set them from evening until morning before the Lord, by a perpetual service and rite in your generations.

They shall be set upon the most pure candlestick before the Lord continually.