Abu Huraira reported: The Messenger of Allah, peace and blessings be upon him, said, “Whoever performs ablution in an excellent manner, comes to Friday prayer, and listens while remaining quiet, his sins will be forgiven until the next Friday and an additional three days, but whoever plays with pebbles has behaved frivolously.”
Source: Ṣaḥīḥ Muslim 857
Grade: Sahih (authentic) according to Muslim
عَنْ أَبِي هُرَيْرَةَ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ مَنْ تَوَضَّأَ فَأَحْسَنَ الْوُضُوءَ ثُمَّ أَتَى الْجُمُعَةَ فَاسْتَمَعَ وَأَنْصَتَ غُفِرَ لَهُ مَا بَيْنَهُ وَبَيْنَ الْجُمُعَةِ وَزِيَادَةُ ثَلَاثَةِ أَيَّامٍ وَمَنْ مَسَّ الْحَصَى فَقَدْ لَغَا
857 صحيح مسلم كتاب الجمعة باب فضل من استمع وأنصت في الخطبة