Abdullah Ibn Bukair narrates: One day the Holy Imam was having dinner with his guests and various kinds of delicious dishes were laid on the dinner spread. Someone remarked that the Imam spent too much on food, and that one must save for the future. The Imam said, “Sustenance is upon Allah. When He increases our sustenance, we also feed His creatures generously and when there is reduction in it, there is decrease here also.”
The narrator says: The Imam used to spend so generously upon the guests that sometimes there were financial problems for the family’s expenses. One day the Imam was having his afternoon meal when a person arrived to him but did not greet him. Those present with the Imam said, “Since he has purposely not greeted you, why did you invite him to join you?” the Imam replied, “It is the jurisprudence of Iraq. It smells of miserliness.”
One day some guests were dining at Imam’s place when one of them needed something and no servant was present. A guest arose to get the required thing, but the Imam stopped him and himself performed the job. Then he said, “Our grandfather, the Prophet of Allah, has commanded that it is incumbent for the host not to take any kind of service from the guest.”
Reference :Akhlaq al-A’imma, Morals & Manners of the Holy Imams