and establish regular prayers at the two ends of the day and at the approaches of the night for those things that are good remove those that are evil be that the word of remembrance to those who remember and be steadfast in patience for verily allah will not suffer the reward of the righteous to perish.
وأقم الصلاة طرفي النهار وزلفا من الليل إن الحسنات يذهبن السيئات ذلك ذكرى للذاكرين واصبر فإن الله لا يضيع أجر المحسنين