Muhammad ibn Zeyad al-Sajjad narrated that Imam Sadiq (a.s) asked him whom he knew in Kufa. He replied: “Bashir al- Nabal and Shajrah.” The Imam (a.s) asked him how they treat other Muslims and continued: “The best Muslim is one who helps other Muslims and causes them to benefit.” He then asked him how much money he had. Muhammad showed the money and said