Muhammad b. Musa b. al-Mutawakkil narrated to us. He said: Muhammad b. Abi `Abdullah al-Kufi narrated to us from Ishaq b. Muhammad from Hamza b. Muhammad. He said: I wrote to Abi Muhammad al-Hasan b. `Ali b. Muhammad b. `Ali b. Musa b. Ja`far b. Muhammad b. `Ali b. al-Husayn b. `Ali b. Abi Talib : “Why did Allah obligate fasting?” So, he answered in his response:

“So that the rich may feel hunger and give to the poor.”