The Imam (peace be upon him) however...

The Imam (peace be upon him) however, returned the cuirass back to him and wrote him a letter advising: Keep it with you and do not take it out of your house; a time shall come when you shall be in need of it. A few days later Ali Ibn Yaqteen happened to become infuriated with one of his slaves, and had him dismissed from service.

This slave presented himself before Haroon al-Rashid and complained: Ali Ibn Yaqteen believes in the Imamate of Musa Ibn Ja’far (peace be upon him) and sends his khums to him (peace be upon him) every year. Even the cuirass that you had gifted to…