Surah Yusuf (Joseph), Verse 87

یٰبَنِیَّ اذْهَبُوْا فَتَحَسَّسُوْا مِنْ یُّوْسُفَ وَاَخِیْهِ وَلَا تَایْـَٔسُوْا مِنْ رَّوْحِ اللّٰهِ اِنَّهٗ لَا یَایْـَٔسُ مِنْ رَّوْحِ اللّٰهِ اِلَّا الْقَوْمُ الْكٰفِرُوْنَ ۟

Yaa baniyyaz haboo fatahassasoo miny Yoosufa wa akheehi wa laa tai'asoo mir rawhil laahi innahoo laa yai'asu mir rawhil laahi illal qawmul kaafiroon

“"O my sons! go ye and enquire about Joseph and his brother, and never give up hope of Allah's Soothing Mercy: truly no one despairs of Allah's Soothing Mercy, except those who have no faith."”

Quran 12:87 (Yusuf Ali Translation)