is one who is devoutly obedient during periods of the night prostrating and standing fearing the hereafter and hoping for the mercy of his lord ? say are those who know equal to those who do not know? only they will remember people of understanding.
أمن هو قانت آناء الليل ساجدا وقائما يحذر الآخرة ويرجو رحمة ربه قل هل يستوي الذين يعلمون والذين لا يعلمون إنما يتذكر أولو الألباب