Consecration is the word of the day: It is the solemn dedication to a special purpose or service. The word literally means “association with the sacred”.
Aaron and his sons get consecrated in this passage, to be made “holy” (set apart) ministers of the LORD. This happens all through physical acts: washing, anointing, dressing, etc. They become physically qualified.
Because, you know, meanwhile, as Moses is receiving this very instruction for Aaron and his sons, Aaron is down the mountain melting everyone’s gold into an idol. Not a lot about Aaron’s heart has been addressed, yet.
“For if the blood of goats and bulls and the ashes of a heifer sprinkling those who have been defiled sanctify for the cleansing of the flesh, how much more will the blood of Christ, who through the eternal Spirit offered Himself without blemish to God, cleanse your conscience from dead works to serve the living God?” (Hebrews 9:13-14)
We live on the other side of this. Christ had made our cleansing thorough. Our hearts of stone have been exchanged for hearts of flesh. He has purchased us with His blood, we are His. Quite associated with the sacred.
Ask the Lord, today, what it means to be His, and thank Him for the great lengths He went to make it so.