عَنْ أَبِي حَسَّانَ أَنَّ عَلِيًّا رَضِيَ اللَّهُ عَنْهُ كَانَ يَأْمُرُ بِالْأَمْرِ فَيُؤْتَى فَيُقَالُ قَدْ فَعَلْنَا كَذَا وَكَذَا فَيَقُولُ صَدَقَ اللَّهُ وَرَسُولُهُ قَالَ فَقَالَ لَهُ الْأَشْتَرُ إِنَّ هَذَا الَّذِي تَقُولُ قَدْ تَفَشَّى فِي النَّاسِ أَفَشَيْءٌ عَهِدَهُ إِلَيْكَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَآلِهِ وَسَلَّمَ قَالَ عَلِيٌّ رَضِيَ اللَّهُ عَنْهُ مَا عَهِدَ إِلَيَّ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَآلِهِ وَسَلَّمَ شَيْئًا خَاصَّةً دُونَ النَّاسِ إِلَّا شَيْءٌ سَمِعْتُهُ مِنْهُ فَهُوَ فِي صَحِيفَةٍ فِي قِرَابِ سَيْفِي قَالَ فَلَمْ يَزَالُوا بِهِ حَتَّى أَخْرَجَ الصَّحِيفَةَ قَالَ فَإِذَا فِيهَا مَنْ أَحْدَثَ حَدَثًا أَوْ آوَى مُحْدِثًا فَعَلَيْهِ لَعْنَةُ اللَّهِ وَالْمَلَائِكَةِ وَالنَّاسِ أَجْمَعِينَ لَا يُقْبَلُ مِنْهُ صَرْفٌ وَلَا عَدْلٌ قَالَ وَإِذَا فِيهَا إِنَّ إِبْرَاهِيمَ حَرَّمَ مَكَّةَ الْحَدِيثَ
It is narrated from Abu Hassan that when Sayyiduna Ali (may Allah be pleased with him) would give an order and, after its completion, it was said to him that such and such task had been accomplished, he would say: "Allah and His Messenger have spoken the truth." Ashtar said to him: "This statement of yours has become well-known among the people. Did the Messenger of Allah (peace and blessings be upon him) give you any special advice regarding this?" Sayyiduna Ali (may Allah be pleased with him) said: "The Messenger of Allah (peace and blessings be upon him) did not give me any special advice that he did not give to other people, except for what I heard from him and which is in the scroll present in the sheath of my sword." Upon hearing this, the people began to insist, until he took out the scroll. In it was written: "Whoever invents a bid'ah (innovation), or gives shelter to an innovator, upon him is the curse of Allah, the angels, and all people, and neither his obligatory nor his voluntary worship will be accepted." In it was also this hadith: "Indeed, Ibrahim (peace be upon him) declared Makkah to be sacred..."