Surah Taha (20:104)

نَّحْنُ أَعْلَمُ بِمَا يَقُولُونَ إِذْ يَقُولُ أَمْثَلُهُمْ طَرِيقَةً إِن لَّبِثْتُمْ إِلَّا يَوْمًا

We are most knowing of what they say, when the one among them most exemplary in conduct will say, “You did not remain except [for] a day.”