The Stories - 28:60 All that is given to you is the wealth and ornaments of this world´s life. Better and lasting is that which is with Allah. Do you not understand?
Why does our Lord give the wealth and adornment of the life of this world?
Ta-Ha/20:131 Do not covet the ornaments of the life of this world which We have given to some of them as a test. Better and lasting is what your Lord has prepared for you.

The Dawn/89:15 "When his Lord gives to man abundantly to test him, he says: "My Lord has been generous to me"."
The Dawn/89:16 "But when his Lord tests him by withholding his sustenance, he says, "My Lord has humiliated me."