I used to conceal from you a thing which I heard from Messenger of Allah ﷺ and I heard Messenger of Allah ﷺ as saying: Had you not committed sins, Allah would have brought into existence a creation that would have committed sin (and Allah) would have forgiven them.  

أَنَّهُ قَالَ حِينَ حَضَرَتْهُ الْوَفَاةُ كُنْتُ كَتَمْتُ عَنْكُمْ شَيْئًا سَمِعْتُهُ مِنْ رَسُولِ اللَّهِ ﷺ سَمِعْتُ رَسُولَ اللَّهِ ﷺ يَقُولُ لَوْلاَ أَنَّكُمْ تُذْنِبُونَ لَخَلَقَ اللَّهُ خَلْقًا يُذْنِبُونَ يَغْفِرُ لَهُمْ  

If you were not to commit sins, Allah would have swept you out of existence and would have replaced you by another people who have committed sin, and then asked forgiveness from Allah, and He would have granted them pardon.  

عَنْ رَسُولِ اللَّهِ ﷺ أَنَّهُ قَالَ لَوْ أَنَّكُمْ لَمْ تَكُنْ لَكُمْ ذُنُوبٌ يَغْفِرُهَا اللَّهُ لَكُمْ لَجَاءَ اللَّهُ بِقَوْمٍ لَهُمْ ذُنُوبٌ يَغْفِرُهَا لَهُمْ  

The Messenger of Allah ﷺ said, "By Him in Whose Hand is my life, if you were not to commit sins, Allah would do away with you and ˹replace you by˺ bringing a nation who would commit sins and seek forgiveness from Allah, and He would then forgive them."  

قَالَ رَسُولُ اللَّهِ ﷺ: «وَالَّذِي نَفْسِي بِيَدِهِ لَوْ لَمْ تُذْنِبُوا لَذَهَبَ اللَّهُ بِكُمْ وَلَجَاءَ بِقَوْمٍ يُذْنِبُونَ فَيَسْتَغْفِرُونَ اللَّهَ فَيَغْفِرُ لَهُمْ۔»