The Romans - 30:30 You should devote yourself to religion as a monotheist. Indeed, Allah has created mankind with such a creation. There is no change in Allah´s creation. This is a complete religion, but most people do not know it.
Related:
The Heights/7:172 "When your Lord brings forth the offspring from the loins of the sons of Adam, He makes them witnesses to themselves: "Am I not your Lord?"They say, "Yes, we bear witness."So on the Day of Resurrection you will not be able to say: "We were unaware of this"."

The Romans/30:30 You should devote yourself to religion as a monotheist. Indeed, Allah has created mankind with such a creation. There is no change in Allah´s creation. This is a complete religion, but most people do not know it.

Yaseen/36:59 O criminals, depart this day.
Yaseen/36:60 O children of Adam, did I not take a promise from you that you would not serve Satan? He is your open enemy.
Yaseen/36:61 Serve Me. This is the most right way.