He (the Imam) said...

He (the Imam) said, ’You must begin with al-Hajj because it is obligatory of the obligation to Allah, most Majestic, most Glorious, and make the remaining into two parts: one for setting free a slave and one for charity.’ I then informed abu Hanifah about the words of abu ‘Abd Allah (a.s.). He changed his fatwa and accepted the words of abu ‘Abd Allah (a.s.).”

حسن - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (3/32))