Secrets in The Expansion and Diminishing of Blessings
In the Qur'an, God reveals the reason why He grants blessings or takes them back from people:
What is related in these verses are very important secrets that people are mostly unaware of or ignore. God says that He will expand the blessings of those people who engage in good acts, and will restrict the blessings of those who perform evil acts, and that the blessings on people will alter in accordance with the changes in their behaviour and sincerity.
Believers who know this secret of God try to see the hidden purposes in God's creation in every situation they encounter and remain heedful about this subject. They never feel self-sufficient, but strive hard to attain the moral perfection described in the Qur'an, and to correct their wrongdoings and failings. In this sense, they never dare to falter in displaying moral perfection and the refinement of their conduct.