17, 18. (a) What outstanding examples with regard to material possessions are worthy of our imitation?
إِنَّ إِلْقَاءَ ٱلْمَرْءِ رَجَاءَهُ عَلَى ٱلْغِنَى لَيْسَ بِٱلْمَسْلَكِ ٱلْحَكِيمِ لِأَنَّ ٱلْغِنَى ‹ غَيْرُ ثَابِتٍ › .‏