Quran 72:5 from Surah Al-Jinn on Divine Marvels.
وَأَنَّا ظَنَنَّآ أَن لَّن تَقُولَ ٱلۡإِنسُ وَٱلۡجِنُّ عَلَى ٱللَّهِ كَذِبٗا
English translation: And that we thought that never will say the men and the jinn against Allah any lie
Transliteration: wa-anna zananna an lan taqula al-insu wal-jinu ala al-lahi kadhiban