[This is] the revelation of the Book about which there is no doubt from the Lord of the worlds.
The Saheeh International Quran Translation
تَنزِيلُ ٱلْكِتَٰبِ لَا رَيْبَ فِيهِ مِن رَّبِّ ٱلْعَٰلَمِينَ[This is] the revelation of the Book about which there is no doubt from the Lord of the worlds.