1. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad ibn ‘Isa from al-Qasim ibn Yahya from his grandfather al-Hassan ibn Rashid who has said the following: “He (the Imam) , has said, that the Messenger of Allah, O Allah, grant compensation to Muhammad and his family worthy of their services to Your cause, has said, ’Clipping fingernails repels great many pains and makes the sustenance flow.”’