and allah has created you and then he will cause you to die and of you there are some who are sent back to senility so that they know nothing after having known . truly! allah is allknowing allpowerful.
والله خلقكم ثم يتوفاكم ومنكم من يرد إلى أرذل العمر لكي لا يعلم بعد علم شيئا إن الله عليم قدير