" 'Abdullah [bin Mas'ud] narrated two Ahadith to us, one of them from himself and the other from the Prophet ﷺ. 'Abdullah said: 'The believer sees his sins as if he was at the base of a mountain, fearing that it was about to fall upon him. The wicked person sees his sins as if (they are) flies are hitting his nose" he said: "Like this" - motioning with his hand - "to get them to fly away."
عَنِ النَّبِيِّ ﷺ قَالَ عَبْدُ اللَّهِ إِنَّ الْمُؤْمِنَ يَرَى ذُنُوبَهُ كَأَنَّهُ فِي أَصْلِ جَبَلٍ يَخَافُ أَنْ يَقَعَ عَلَيْهِ وَإِنَّ الْفَاجِرَ يَرَى ذُنُوبَهُ كَذُبَابٍ وَقَعَ عَلَى أَنْفِهِ قَالَ بِهِ هَكَذَا فَطَارَ