The research presents evagrian teaching about heresy. According to monk of Pontus heresy is not basically a rational error of human mind or some kind of erroneous reasoning but is caused by passions (gr. logismoi) with a strong emotinal component. A heretic is not a man lacking the intelligence or a proper education but a one who is still dominated by one or more passions and has not yet completely purified his nous.
“Non errores mentis sed logismoi faciunt haereses”. The passions as a source of heresy according to Evagrius Ponticus
