Rev 17:7
And those who dwell on the earth will marvel, whose names are not written in the Book of Life from the foundation of the world, when they see the beast that was, and is not, and yet is.[c]
Or my personal favorite:
Matt 7:21-23
Many will say to Me in that day, “Lord, Lord, have we not prophesied in Your name, cast out demons in Your name, and done many wonders in Your name?”
And then I will declare to them, “I never knew you; depart from Me, you who practice lawlessness