قَيِّمًا لِّيُنذِرَ بَأْسًا شَدِيدًا مِن لَّدُنْهُ وَيُبَشِّرَ الْمُؤْمِنِينَ الَّذِينَ يَعْمَلُونَ الصَّالِحَاتِ أَنَّ لَهُمْ أَجْرًا حَسَنًا
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سورة الكهف
(18/2) (The Qur’ân is sent) to give the warning of severe torment from His presence and give glad tidings to the believers who do improving deeds that for them there is a goodly reward as an ever lasting (until the Day of Resurrection) book.
Surah Al-Kahf