Numbers 16:4-8

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.

And Moses said unto Korah, Hear, I pray you, ye sons of Levi: