Quran 20:104 from Surah Taa-Haa on Divine Marvels.
نَّحۡنُ أَعۡلَمُ بِمَا يَقُولُونَ إِذۡ يَقُولُ أَمۡثَلُهُمۡ طَرِيقَةً إِن لَّبِثۡتُمۡ إِلَّا يَوۡمٗا
English translation: We know best what they will say when will say (the) best of them (in) conduct Not you remained except (for) a day
Transliteration: nahnu a'lamu bima yaquluna idh yaqulu amthaluhum tariqatan in labith'tum illa yawman