The Romans - 30:37 Do they not see that Allah increases and reduces provision for whom He wills? There are lessons in that for a people who believe.
Why does Allah increase or decrease provision for whom He wills?
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."