Az-Zumar 39:39

Qul ya qawmi iAAmaloo AAalamakanatikum innee AAamilun fasawfa taAAlamoon

Say, "O my people, work according to your position, [for] indeed, I am working; and you are going to know

Say, “O my people, do at your place (what you are doing). I am to do (what I have been ordered to). Very soon, you will come to know