The Holy Quran 17:9 — Surah Al-Isra
Arabic text
إِنَّ هَـٰذَا ٱلْقُرْءَانَ يَهْدِى لِلَّتِى هِىَ أَقْوَمُ وَيُبَشِّرُ ٱلْمُؤْمِنِينَ ٱلَّذِينَ يَعْمَلُونَ ٱلصَّـٰلِحَـٰتِ أَنَّ لَهُمْ أَجْرًا كَبِيرًا
Translation
Surely this Qur'aan leads to a path that is straight (just and upright) and it conveys the good news to the Mu'mineen who do good deeds that they shall have a great reward.
Tafsir (excerpt) — Tafsir Usmani
The Quran alone is the straightest path: that is, the “Torah” too, of course, showed the way to the Children of Israel, as was said earlier: هُدًى لِّبَنِيْٓ اِسْرَاۗءِيْلَ “a guidance for the Children of Israel”; but this Quran shows the whole world the best, straightest and firmest path. All the “qawim” (straight)
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