Numbers 16:5
“And he spake unto Korah and unto all his company, saying, Even to morrow the Lord will shew who are his, and who is holy; and will cause him to come near unto him: even him whom he hath chosen will he cause to come near unto him.”
And they gathered themselves together against Moses and against Aaron, and said unto them, Ye take too much upon you, seeing all the congregation are holy, every one of them, and the Lord is among them: wherefore then lift ye up yourselves above the congregation of the Lord?
And when Moses heard it, he fell upon his face:
And he spake unto Korah and unto all his company, saying, Even to morrow the Lord will shew who are his, and who is holy; and will cause him to come near unto him: even him whom he hath chosen will he cause to come near unto him.
This do; Take you censers, Korah, and all his company;
And put fire therein, and put incense in them before the Lord to morrow: and it shall be that the man whom the Lord doth choose, he shall be holy: ye take too much upon you, ye sons of Levi.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“Nevertheless the foundation of God standeth sure, having this seal, The Lord knoweth them that are his. And, Let every one that nameth the name of Christ depart from iniquity.”
“And their nobles shall be of themselves, and their governor shall proceed from the midst of them; and I will cause him to draw near, and he shall approach unto me: for who is this that engaged his heart to approach unto me? saith the Lord.”
“And it shall come to pass, that the man’s rod, whom I shall choose, shall blossom: and I will make to cease from me the murmurings of the children of Israel, whereby they murmur against you.”
“And no man taketh this honour unto himself, but he that is called of God, as was Aaron.”
“Blessed is the man whom thou choosest, and causest to approach unto thee, that he may dwell in thy courts: we shall be satisfied with the goodness of thy house, even of thy holy temple.”