Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
bayhaqi:15826Abū ʿAlī al-Rūdhbārī > Abū Bakr b. Maḥmawīh > Jaʿfar b. Muḥammad > Ādam > Shuʿbah > Manṣūr b. al-Muʿtamir > Saʿīd b. Jubayr > Saʾalt Ibn ʿAbbās

[Machine] From his saying, "{And whoever kills a believer intentionally, his recompense is Hell}" [An-Nisa' 93], he said, "There is no repentance for him." And from his saying, "{And those who do not invoke with Allah another deity}" [Al-Furqan 68], until his saying, "{Except for one who repents and believes}" [Maryam 60], he said, "This was during the era of ignorance."  

البيهقي:١٥٨٢٦وَأَخْبَرَنَا أَبُو عَلِيٍّ الرُّوذْبَارِيُّ أنبأ أَبُو بَكْرِ بْنُ مَحْمَوِيهِ ثنا جَعْفَرُ بْنُ مُحَمَّدٍ ثنا آدَمُ ثنا شُعْبَةُ ثنا مَنْصُورُ بْنُ الْمُعْتَمِرِ عَنْ سَعِيدِ بْنِ جُبَيْرٍ قَالَ سَأَلْتُ ابْنَ عَبَّاسٍ

عَنْ قَوْلِهِ {وَمَنْ يَقْتُلْ مُؤْمِنًا مُتَعَمِّدًا فَجَزَاؤُهُ جَهَنَّمُ} [النساء 93] فَقَالَ لَا تَوْبَةَ لَهُ وَعَنْ قَوْلِهِ {وَالَّذِينَ لَا يَدْعُونَ مَعَ اللهِ إِلَهًا آخَرَ} [الفرقان 68] إِلَى قَوْلِهِ {إِلَّا مَنْ تَابَ وَآمَنَ} [مريم 60] فَقَالَ كَانَتْ هَذِهِ فِي الْجَاهِلِيَّةِ  

رَوَاهُ الْبُخَارِيُّ عَنْ آدَمَ وَأَخْرَجَهُ مُسْلِمٌ مِنْ وَجْهٍ آخَرَ عَنْ شُعْبَةَ