And you shall command the children of Israel that they bring you pure oil of beaten olives for the light, to cause the flame of the lamp to ascend continually.

In the tent of meeting, outside the veil which is before the Testimony, Aaron and his sons shall arrange it from evening until morning before Jehovah. It shall be a perpetual statute to their generations on behalf of the children of Israel.

Did I not choose him out of all the tribes of Israel to be My priest, to offer upon My altar, to burn incense, and to bear the ephod before Me? And did I not give to the house of your father all the offerings by fire of the children of Israel?

and the lamp of God had not yet gone out in the temple of Jehovah where the ark of God was, where Samuel was lying down,

The sons of Amram: Aaron and Moses. And Aaron was set apart, he and his sons perpetually, that he should consecrate the set apart, holy things, to burn incense before Jehovah, to serve Him, and to bless in His name perpetually.

according to the custom of the priesthood, his lot fell to burn incense when he went into the temple of the Lord.

but we will give ourselves continually to prayer and to the ministry of the Word.