And through this chain of narrators, from Sa'd ibn Tarif, from Abu Ja'far عليه السلام, who said:
Imam عليه السلام said: "Whoever digs a grave for a deceased person, it is as if he has prepared a suitable house for him until the Day of Resurrection."
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 1, p. 477