Numbers 8 has two different stories. The first story is about Jehovah instructing Moses and Aaron how to place the lamps in the golden lampstand.  Numbers 8:2 (ESV) records: "Speak to Aaron and say to him, when you set up the lamps, the seven lamps shall give light in front of the lampstand." We keyed in on the phrase, "the seven lamps shall give light in front of the lampstand."  The lamps must light in front of the lampstand.  The second story is about Jehovah telling Moses how Aaron should offer the Levites as a wave offering.  The main verse we discussed at this meeting was verse 11 (ESV), "Aaron shall offer the Levites before the Lord as a wave offering from the people of Israel, that they may do the service of the Lord."  The phrase that stood out was Aaron offering the Levites as a wave offering.