211Sahih MuslimSahihحَدَّثَنَا عُقْبَةُ بْنُ مُكْرَمٍ الْعَمِّيُّ، حَدَّثَنَا يَحْيَى بْنُ مُحَمَّدِ بْنِ قَيْسٍ أَبُو زُكَيْرٍ، قَالَ سَمِعْتُ الْعَلاَءَ بْنَ عَبْدِ الرَّحْمَنِ، يُحَدِّثُ بِهَذَا الإِسْنَادِ وَقَالَ آيَةُ الْمُنَافِقِ ثَلاَثٌ وَإِنْ صَامَ وَصَلَّى وَزَعَمَ أَنَّهُ مُسْلِمٌ " Uqba b. Mukarram al-'Ami reported that he heard 'Ala' b. 'Abdur-Rahman narrating this hadith with this chain of transmitters and he said:Three are the signs of a hypocrite, even if he observed fast and prayed and asserted that he was a Muslim.Reference: Sahih Muslim 59 c In-book : Book 1, Hadith 119 USC-MSA web (English) : Book 1, Hadith 114 (deprecated)