60فَاصبِر إِنَّ وَعدَ اللَّهِ حَقٌّ ۖ وَلا يَستَخِفَّنَّكَ الَّذينَ لا يوقِنونَHilali & KhanSo be patient (O Muhammad SAW). Verily, the Promise of Allah is true, and let not those who have no certainty of faith, discourage you from conveying Allah's Message (which you are obliged to convey)