A Characteristic that Stabilizes One’s Faith and One that Makes Him Lose His Faith

1-29 (The compiler of the book narrated) that his father - may God be pleased with him - narrated that Muhammad ibn Yahya al-Attar quoted on the authority of Muhammad ibn Ahmad ibn Yahya ibn Imran al-Ash’ari, on the authority of Abu Abdullah al-Razi, on the authority of Ali ibn Suleiman ibn Rashid, on the authority of Musa ibn Salam that Aban ibn Savid asked Aba Abdullah as-Sadiq (MGB)