the righteously striving believers who are steadfast in their prayers and pay the zakat will receive their reward from god. they will have no fear nor will they grieve.
إن الذين آمنوا وعملوا الصالحات وأقاموا الصلاة وآتوا الزكاة لهم أجرهم عند ربهم ولا خوف عليهم ولا هم يحزنون