It has been evidenced time and again that Christian and Muslim accounts of Mar Mani Khaya and the Manichaean Religion can’t always be trusted for completely accurate information regarding the ancient Religion of Light.
It’s always best to go to the source when researching or documenting a religious group due to the obvious biases that exist in the writing of authors who are outright opposed to the group you’re studying. Unfortunately, for some of the more ancient religions that were heavily persecuted by both Christians and Muslims, their original texts are very difficult to locate and often times near impossible. Translations of such texts are usually made by those who persecuted the group in which the text belong, making the translation biased and unfortunately at times even worthless.
Manichaeism is one example of this problem people frequently encounter. However, the extant texts of the Manichaean Religion are sufficient for modern day study and analysis if the texts are permitted to speak on their own instead of a biased scholar allowing his personal thoughts to skew the simple meaning of the words of Mar Mani and his early disciples.