Surah An-Nisa 4:105

إِنَّآ أَنزَلْنَآ إِلَيْكَ ٱلْكِتَـٰبَ بِٱلْحَقِّ لِتَحْكُمَ بَيْنَ ٱلنَّاسِ بِمَآ أَرَىٰكَ ٱللَّهُ ۚ وَلَا تَكُن لِّلْخَآئِنِينَ خَصِيمًا

Indeed, We have revealed to you, [O Muḥammad], the Book in truth so you may judge between the people by that which Allāh has shown you. And do not be for the deceitful an advocate.

Translation: Saheeh International

Tafsir

Tu‘ma b. Ubayriq stole a coat of mail and hid it with a Jew. When it was discovered with the latter Tu‘ma accused him of having stolen it and swore by God that he Tu‘ma had not stolen it and his clan asked the Prophet s to advocate on his behalf and absolve him whereupon the following was revealed Surely We have …

Excerpt from Tafsir al-Jalalayn, commentary on 4:105, via Quran.com. The reader has the full commentary and 9 more tafsirs.