ভূমিকা
Shiavault - a Vault of Shia Islamic Books About Imam Reza (a.s) Imam and the 'Caliphs' The Imam (a.s.) was contemporary to a short period of al-Rashid's regime during which he suffered the tragedy of the assassination of his father Imam Musa al-Kazim (a.s.) and other Alawides.
After the murder of his father, he was not safe from the moves of some of those who flattered the rulers and followed their course and pretended to show their loyalty by instigating enmity against the regime's opponents, encouraging their elimination, thinking that that would increase the rulers' liking for them and nearness to them, that it would strengthen their position and grant them unique distinctions and raise them to the highest pinnacles.
Do you expect me to eliminate each and every one of them?'" Musa ibn Mahran says that when he heard Ja’far ibn Yahya say so, he went to him (i.e. to Imam ar-Ridha’) and told him what he had heard. Ar-Ridha’ (a.s.) responded by saying, "What do I have to do with them?