Surah Al-Ma'idah, Verse 30

فَطَوَّعَتۡ لَهُۥ نَفۡسُهُۥ قَتۡلَ أَخِيهِ فَقَتَلَهُۥ فَأَصۡبَحَ مِنَ ٱلۡخَٰسِرِينَ٣٠

faṭawwaʿat lahu nafsuhu qatla akhīhi faqatalahu fa-aṣbaḥa mina l-khāsirīna

And his soul permitted to him the murder of his brother, so he killed him and became among the losers.