I was in the presence of Abu Abdullah (asws) when a letter of Abu Muslim came to him (asws)’. So he (asws) said: ‘There is no answer to your letter. Exit from us (asws)’. So some of us left the others. He (asws) said: ‘Which thing are you walking upon, O Fazl? Allah (azwj) does not Make Haste due to the hastiness of the servants. And removing a mountain from its place is easier than toppling a government whose term has not ended’. Then said: ‘So and so, son of so and so’ – until he (asws) reached seven from the sons of so and so’. I said, ‘May I be sacrificed for you (asws), so what are the signs with regards to what is in between us and you (asws)?’ He (asws) said: ‘The earth will not depart (end), O Fazl, until the Sufyani comes out. So if the Sufyani comes out, so answer to us (asws) (to our (asws) call)’. And he (asws) said it thrice: ‘And it is inevitable’.