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"."
Related:
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.