1-25 Muhammad ibn al-Hassan ibn Ahmad ibn al-Walid - may God be pleased with him - narrated that Muhammad ibn al-Hassan al-Saffar quoted on the authority of Ahmad ibn Muhammad ibn Isa, on the authority of Muhammad ibn Sin’an, on the authority of Al-Mufaz’zal ibn Umar that Abu Abdullah as-Sadiq (MGB) was asked the following question
“What is the minimum right of a believer incumbent upon his brethren?” He (MGB) replied, “That he doesn’t solely dedicate what they need to himself.”