And he spoke unto Korah and unto all his company, saying, Even tomorrow the LORD will show who are his, and who is holy; and will cause him to come near unto him: even him whom he has chosen will he cause to come near unto him.
Read Chapter 16
George Leo Haydock
The holy ones, whom he has chosen for the high priesthood. The psalmist, speaking of this sedition, says, they provoked. Aaron, the holy one of the Lord, Psalm cv. 16. (Calmet) See 1 Timothy ii. 19.
Only those who are chosen by God, can lawfully perform this sacred office, as the Almighty declares by a miracle. (Haydock)