6. Al-Husayn ibn Muhammad has narrated from Ja’far ibn Muhammad from al-Qasim ibn al-Rabi‘ in his (Imam’s) advice to al- Mufaddal ibn ‘Umar who has said the following: “I heard abu ‘Abd Allah عليه السلام, saying, ‘You should use certain items of these resources to overcome other tasks and do not become a burden on people.’”