‘Uqbah al-Rassibi entered al-Hasan’s house whilst he was having lunch. Al-Hasan insisted he eat, so ‘Uqbah told him that he was full, thereafter al-Hasan said, “Subhanallah! Does a Muslim eat until he is full?!”

(Read on pg 32, Ibn al-Jawzi, Disciplining The Soul. Daar as-Sunnah Publishers. Birmingham: 2011.)