is he who supplicates in the watches of the night prostrating and standing apprehensive of the hereafter and expecting the mercy of his lord...? say are those who know equal to those who do not know? only those who possess intellect take admonition.
أمن هو قانت آناء الليل ساجدا وقائما يحذر الآخرة ويرجو رحمة ربه قل هل يستوي الذين يعلمون والذين لا يعلمون إنما يتذكر أولو الألباب