(42) CHAPTER. The statement of the Prophet : Religion is An-Nasihah (to be sincere and true) to Allah, to His Messenger (Muhammad ), to the Muslim rulers, and to all the Muslims.
Narrated Jarir bin Abdullah: I gave the pledge of allegiance to Allah's Apostle for the following: 1. offer prayers perfectly 2. pay the Zakat (obligatory charity) 3. and be sincere and true to every Muslim.
Authentic
