الكافي 2/1/66/16

16. A number of our people have narrated from Ahmad ibn Muhammad ibn Khalid from Isma’il ibn Mehran from ‘Uthman ibn Jabalah from abu Ja’far عليه السلام who has said the following: “The Messenger of Allah has said, ‘Whoever has three things, or even one of them, will have a place under the shadow of the Throne of Allah on the Day when nothing will have any shadows (protective shelter). A man who gives to others what he asks from them, one who does not prevent another man from a forward position or move backward except after knowing that his own moving forward is what Allah wants. A Muslim does not blame his Muslim brethren for a shortcoming until he removes such shortcoming from his own self; as soon one removes one defect from his soul another shortcoming and defect emerges. To be occupied with correcting one’s own self is a full time occupation (to deal with before getting involved in people).”’