* The tradition of Malik b. Anas has, “That is the defence of the frontier; that is the defence of the frontier. He repeated it twice.” *Here meant in a spiritual sense, as a defence against infidelity and wrongdoing. Muslim transmitted it. Tirmidhi’s version has thrice.
Hadith Referenceمشكوة المصابيح / كتاب الطهارة / 284
Hadith Gradingالألبانی:متفق عليه | زبیر علی زئی:متفق عليه
Hadith Takhrij´تحقيق و تخريج: محدث العصر حافظ زبير على زئي رحمه الله` «متفق عليه، رواه البخاري (لم أجده) و مسلم (33/ 245)»