سورة Al-Kahf 18:7

إِنَّا جَعَلْنَا مَا عَلَى ٱلْأَرْضِ زِينَةًۭ لَّهَا لِنَبْلُوَهُمْ أَيُّهُمْ أَحْسَنُ عَمَلًۭا ٧

We have indeed made whatever is on earth as an adornment for it, in order to test which of them is best in deeds