The Book of Virtue, Enjoining Good Manners, and Joining of the Ties of Kinship
حَدَّثَنَا يَحْيَى بْنُ يَحْيَى، وَأَبُو الرَّبِيعِ، قَالَ أَبُو الرَّبِيعِ حَدَّثَنَا وَقَالَ، يَحْيَى - وَاللَّفْظُ لَهُ - أَخْبَرَنَا حَمَّادُ بْنُ زَيْدٍ، عَنْ عَمْرِو بْنِ دِينَارٍ، عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ، أَنَّ رَجُلاً، مَرَّ بِأَسْهُمٍ فِي الْمَسْجِدِ قَدْ أَبْدَى نُصُولَهَا فَأُمِرَ أَنْ يَأْخُذَ بِنُصُولِهَا كَىْ لاَ يَخْدِشَ مُسْلِمًا .Jabir b. Abdullah reported that a person happened to come to the mosque with arrows and their iron-ends were exposed, so he was commanded that he should grasp the pointed heads so that these might not do any harm to a Muslim
From Sahih Muslim, whose reports the scholars accept as authentic.