Weeping For Imam Mahdi (A.S.)

Imam Jafar as Sadiq (A.S.) said:
"Know him ! The one who would be hidden from you in your time until it would be said, He is dead! He is killed ! He has gone into wilderness. And the eyes of the believers will be tearful."
(Ghaibat-e-Nomani Pg.152. 153)