Take the Levites from among the Israelites and cleanse them.
There are many lessons for the Christian in this section [verses 5-22].
He sees here the importance of each member of God’s family having his own particular task. Cp. 1 Cor. 12.
It is necessary that special men be designated for particular duties in order that the work of God’s kingdom shall be done in orderly fashion.
Those who do the work of God must be cleansed from all defilement of flesh and spirit. No one is fit in himself to serve God.
It is only as we see ourselves as guilty sinners saved through the sacrifice of the Lord Jesus Christ at Calvary that we can do anything that is worth while in God’s sight.
All our righteousness apart from Him are but “filthy rags” [Isaiah 64:6]. [The New Bible Commentary].
– The Amplified Bible: page 172.