You mankind should realize that if God wills, He can destroy all of you (as He made the dinosaurs extinct) and replace you by other creatures. He is Powerful enough to do it
Faridul Haque
O people! He can remove you and bring others, if He wills; and Allah is Able to do that
Hasan Al-Fatih Qaribullah
O people, if He will, He could make you extinct, and bring others. Surely, Allah is Powerful over that