Surah Ali 'Imran 3:164

لَقَدْ مَنَّ ٱللَّهُ عَلَى ٱلْمُؤْمِنِينَ إِذْ بَعَثَ فِيهِمْ رَسُولًا مِّنْ أَنفُسِهِمْ يَتْلُوا۟ عَلَيْهِمْ ءَايَـٰتِهِۦ وَيُزَكِّيهِمْ وَيُعَلِّمُهُمُ ٱلْكِتَـٰبَ وَٱلْحِكْمَةَ وَإِن كَانُوا۟ مِن قَبْلُ لَفِى ضَلَـٰلٍ مُّبِينٍ

Certainly did Allāh confer [great] favor upon the believers when He sent among them a Messenger from themselves, reciting to them His verses and purifying them and teaching them the Book [i.e., the Qur’ān] and wisdom, although they had been before in manifest error.

Translation: Saheeh International

Tafsir

Truly God was gracious to the believers when He sent to them a messenger from among their own that is to say an Arab like them not an angel or a non-Arab so that they can understand what he says and feel honoured thereby to recite to them His verses the Qur’ān and to purify them to cleanse them of sins and to teach …

Excerpt from Tafsir al-Jalalayn, commentary on 3:164, via Quran.com. The reader has the full commentary and 9 more tafsirs.