Numbers 16:5

16:5 Then he said to Korah and to all his company, “In the morning the Lord will make known who are his, and who is holy. He will cause that person to approach him; the person he has chosen he will cause to approach him.

Numbers 16:8-10

16:8 Moses said to Korah, “Listen now, you sons of Levi! 16:9 Does it seem too small a thing to you that the God of Israel has separated you from the community of Israel to bring you near to himself, to perform the service of the tabernacle of the Lord, and to stand before the community to minister to them? 16:10 He has brought you near and all your brothers, the sons of Levi, with you. Do you now seek the priesthood also?