Surah Al-Fath, ayah 12

48:12

بَلۡ ظَنَنتُمۡ أَن لَّن يَنقَلِبَ ٱلرَّسُولُ وَٱلۡمُؤۡمِنُونَ إِلَىٰٓ أَهۡلِيهِمۡ أَبَدٗا وَزُيِّنَ ذَٰلِكَ فِي قُلُوبِكُمۡ وَظَنَنتُمۡ ظَنَّ ٱلسَّوۡءِ وَكُنتُمۡ قَوۡمَۢا بُورٗا ١٢

Bal zanantum al lan yanqalibar-rasūlu wal-mu'minūna ilā ahlīhim abadan wazuyyina dhālika fī qulūbikum wazanantum zannas-saw'i wakuntum qawmā būrā

But you thought that the Messenger and the believers would never return to their families, ever, and that was made pleasing in your hearts. And you assumed an assumption of evil and became a people ruined."