The Holy Quran 25:6 — Surah Al-Furqan
Arabic text
قُلْ أَنزَلَهُ ٱلَّذِى يَعْلَمُ ٱلسِّرَّ فِى ٱلسَّمَـٰوَٰتِ وَٱلْأَرْضِ ۚ إِنَّهُۥ كَانَ غَفُورًا رَّحِيمًا
Translation
Say, "The One Who knows the secrets of the heavens and the earth has revealed it (for someone without this knowledge can never produce such a masterpiece). Certainly, He has always been the Most Forgiving, the Most Merciful (and will therefore not punish them immediately for their insolence but gives them time to repent)."
Tafsir (excerpt) — Tafsir Usmani
The Quran is its own proof: that is, the Book itself shows that it was not composed by any single human being or committee, but was sent down by Allah, from Whose all-encompassing knowledge nothing in the earth or the heavens can escape.
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