Posts 27,953 Thanks 1,574 Thanked 2,587 Times in 2,118 Posts Referrals 3 Rep Power 0 Manichaeism (in Modern Persian آیین مانی Āyin e Māni ; Chinese : 摩 尼 教 ; pinyin : Mó ní Jiào ) was one of the major Iranian Gnostic religions , originating in Sassanid Persia .