Sura Al-Qalam(68:48) Therefore, be patient (O Muhammad) with constancy to the Command of your Lord (Allâh, by doing your duty to Him and by conveying His Message to mankind), and obey neither a sinner nor a disbeliever among them.
从你的主发出的真理，确已降临你，故你切莫居于怀疑者的行列。