5-55 (The compiler of the book narrated) that his father - may God be pleased with him - narrated that Sa’ed ibn Abdullah quoted Yaqoob ibn Yazid, on the authority of Ibn Abi Umayr, on the authority of Hafs ibn al-Bakhtari that Aba Abdullah as-Sadiq (MGB) said,

“Indeed Gabriel made the following five rivers flow with his feet and the head of the rivers followed him: the Euphrates, the Tigris, the Nile, the Indus, and the Oxus river. The Imam (MGB) possesses wherever they water and the oceans around the world.”