Abdur Rahmān Ibn Kathīr has narrated from Imam as-Sadiq (A) that he said: ‘Not acknowledging the rights of us (Ahlulbayt) is a Greater sin.’ SOURCE: GREATER SINS V1 | AYATOLLAH DASTAGHAIB SHIRAZI (R)
Abdur Rahmān Ibn Kathīr has narrated from Imam as-Sadiq (A) that he said: ‘Not acknowledging the rights of us (Ahlulbayt) is a Greater sin.’ SOURCE: GREATER SINS V1 | AYATOLLAH DASTAGHAIB SHIRAZI (R)