إِنَّا جَعَلْنَا مَا عَلَى ٱلْأَرْضِ زِينَةًۭ لَّهَا لِنَبْلُوَهُمْ أَيُّهُمْ أَحْسَنُ عَمَلًۭاِ
The Noble Quran
Verily! We have made that which is on earth as an adornment for it, in order that We may test them (mankind) as to which of them are best in deeds. [i.e. those who do good deeds in the most perfect manner, that means to do them (deeds) totally for Allah's sake and in accordance to the legal ways of the Prophet SAW].