All events of happiness and sorrow, gain and loss, birth and death etc., take place according to what has been written by the Almighty or is preordained. Nothing is in the hands of living beings. It is all in the hands of the Almighty.
All living beings bear the fruits of what they had done. Whatever deeds they perform, they are rewarded accordingly. He the Almighty Himself involves the human beings in the performance of various deeds/actions.
And thus surprised, a question rises in everyone's minds who is the primary cause, God, human being or the action itself? Which of these causes is more or less? What is definitely right? Nothing can be said with any degree of assurance.
How does one go through praise and slander, pleasure or sorrow? What is a blessing and what is a curse? Nothing can be said conclusively. One can only reason that all is happening and being caused by the Lord Himself. (331)