Hadith on Faith: Whoever has faith will not remain in Hellfire forever

Abu Sa’eed Al-Khudri reported: The Messenger of Allah, peace and blessings be upon him, said, “Allah will admit the people of Paradise into Paradise among whomever he wills due to his mercy, and he will admit the people of Hellfire into Hellfire, then Allah will say: Look for those with faith in their hearts as much as a seed and bring them out. Then they will be brought out having been burned and turned into charcoal. They will be thrown into the river of life and will sprout just as a seed in the silt is carried away by the flood. Have you not seen that it comes out yellow and entwined?”

Source: Ṣaḥīḥ al-Bukhārī 22, Ṣaḥīḥ Muslim 184

Grade: Muttafaqun Alayhi (authenticity agreed upon) according to Al-Bukhari and Muslim

عَنْ أَبِي سَعِيدٍ الْخُدْرِيِّ أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ يُدْخِلُ اللَّهُ أَهْلَ الْجَنَّةِ الْجَنَّةَ يُدْخِلُ مَنْ يَشَاءُ بِرَحْمَتِهِ وَيُدْخِلُ أَهْلَ النَّارِ النَّارَ ثُمَّ يَقُولُ انْظُرُوا مَنْ وَجَدْتُمْ فِي قَلْبِهِ مِثْقَالَ حَبَّةٍ مِنْ خَرْدَلٍ مِنْ إِيمَانٍ فَأَخْرِجُوهُ فَيُخْرَجُونَ مِنْهَا حُمَمًا قَدْ امْتَحَشُوا فَيُلْقَوْنَ فِي نَهَرِ الْحَيَاةِ أَوْ الْحَيَا فَيَنْبُتُونَ فِيهِ كَمَا تَنْبُتُ الْحِبَّةُ إِلَى جَانِبِ السَّيْلِ أَلَمْ تَرَوْهَا كَيْفَ تَخْرُجُ صَفْرَاءَ مُلْتَوِيَةً

22 صحيح البخاري كتاب الإيمان باب تفاضل أهل الإيمان في الأعمال

184 صحيح مسلم كتاب الإيمان باب إثبات الشفاعة وإخراج الموحدين من النار