SHAFAQNA – Tawoos Yamani narrated: One night in Masjidul Haram I entered the Hijr-e-Ismaeil, I saw Imam Ali ibn Hussain (AS) entered and stood to prayers and with the will of God performed a lengthy praying session and then prostrated. I told myself, this is indeed a pious man from a noble family, I must listen to his Dua and learn it. I went close and heard whilst prostrating, Imam Sajjad (AS) was reciting: “O’ God, your humble servant has come to you door, your destitute has come to your doorstep, your needy has come to your doorway, your begging beggar is in your doorstep.” Tawoos said: I read this Dua in all my difficulties and always they were removed from me 
 Beharul Anwaar, Vol. 46, Page 76.