Surah Yusuf 12:90

قَالُوٓا۟ أَءِنَّكَ لَأَنتَ يُوسُفُ ۖ قَالَ أَنَا۠ يُوسُفُ وَهَـٰذَآ أَخِى ۖ قَدْ مَنَّ ٱللَّهُ عَلَيْنَآ ۖ إِنَّهُۥ مَن يَتَّقِ وَيَصْبِرْ فَإِنَّ ٱللَّهَ لَا يُضِيعُ أَجْرَ ٱلْمُحْسِنِينَ

They said, "Are you indeed Joseph?" He said, "I am Joseph, and this is my brother. Allāh has certainly favored us. Indeed, he who fears Allāh and is patient, then indeed, Allāh does not allow to be lost the reward of those who do good."

Translation: Saheeh International

Tafsir

They said — after recognising him by his noble traits — cautiously inquiring ‘Is it really read a-innaka either pronouncing both hamzas or by not pronouncing the second but in both cases inserting an alif you Joseph?’. He said ‘I am indeed Joseph and this is my brother. …

Excerpt from Tafsir al-Jalalayn, commentary on 12:90, via Quran.com. The reader has the full commentary and 9 more tafsirs.