Abu Huraira reported: The Messenger of Allah, peace and blessings be upon him, said, “By the One in whose hand is my soul, if you did not sin, Allah would replace you with people who would sin, and they would seek forgiveness from Allah and He would forgive them.”
Source: Ṣaḥīḥ Muslim 2749
Grade: Sahih (authentic) according to Muslim
عَنْ أَبِي هُرَيْرَةَ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ وَالَّذِي نَفْسِي بِيَدِهِ لَوْ لَمْ تُذْنِبُوا لَذَهَبَ اللَّهُ بِكُمْ وَلَجَاءَ بِقَوْمٍ يُذْنِبُونَ فَيَسْتَغْفِرُونَ اللَّهَ فَيَغْفِرُ لَهُمْ
2749 صحيح مسلم كتاب التوبة باب سقوط الذنوب بالاستغفار توبة
