Hadith

Imam Al-Mahdi (May Allah Hasten His Reappearance)

أكْثِرُوا اَلدُّعَاءَ بِتَعْجِيلِ اَلْفَرَجِ فَإِنَّ ذَلِكَ فَرَجُكُمْ

Pray more for my reappearance, because in it is your salvation

Al-Ghaibah(Al-Tusi), vol. 1, pg. 290