allah is he who created you in weakness then gave you strength after weakness then after strength gave weakness and grey hair. he creates what he wills. and he is the allknowing the allpowerful.
الله الذي خلقكم من ضعف ثم جعل من بعد ضعف قوة ثم جعل من بعد قوة ضعفا وشيبة يخلق ما يشاء وهو العليم القدير