Sunan Ibn Majah #2809 · The Chapters on Jihad

Sunan Ibn MajahIt was narrated that ‘Ali bin Abi Talib said
Sunan Ibn Majah · Book 24 · The Chapters on Jihad
Sunan Ibn Majah · كتاب 24 · كتاب الجهاد
“When Mughirah bin Shu’bah fought alongside the Prophet (ﷺ) he would carry a spear, and when he would come back he would throw his spear down so that someone would pick it up and give it back to him.” ‘Ali said to him: “I will tell the Messenger of Allah (ﷺ) about that.” He (the Prophet (ﷺ)) said: “Do not do that, for it you do that it will not be picked up as a lost item to be returned.”
حَدَّثَنَا مُحَمَّدُ بْنُ إِسْمَاعِيلَ بْنِ سَمُرَةَ، أَنْبَأَنَا وَكِيعٌ، عَنْ سُفْيَانَ، عَنْ أَبِي إِسْحَاقَ، عَنْ أَبِي الْخَلِيلِ، عَنْ عَلِيِّ بْنِ أَبِي طَالِبٍ، قَالَ كَانَ الْمُغِيرَةُ بْنُ شُعْبَةَ إِذَا غَزَا مَعَ النَّبِيِّ صلى الله عليه وسلم حَمَلَ مَعَهُ رُمْحًا فَإِذَا رَجَعَ طَرَحَ رُمْحَهُ حَتَّى يُحْمَلَ لَهُ ‏.‏ فَقَالَ لَهُ عَلِيٌّ لأَذْكُرَنَّ ذَلِكَ لِرَسُولِ اللَّهِ صلى الله عليه وسلم ‏.‏ فَقَالَ ‏
"‏ لاَ تَفْعَلْ فَإِنَّكَ إِنْ فَعَلْتَ لَمْ تُرْفَعْ ضَالَّةٌ ‏"‏ ‏.‏
Reference : Sunan Ibn Majah 2809In-book reference : Book 24, Hadith 57