The Book of Faith (Kitab Al-Iman) 
Muslim :: Book 1 : Hadith 241
It is narrated on the authority of 'Abdullah b. Mas'ud that the Apostle (may peace be upon him) was asked about evil prompting, to which he replied: It is pure faith.
The Book of Faith (Kitab Al-Iman)
Muslim :: Book 1 : Hadith 241
It is narrated on the authority of 'Abdullah b. Mas'ud that the Apostle (may peace be upon him) was asked about evil prompting, to which he replied: It is pure faith.