(in Russian)Philokalia, Vol 5, Sts. Kallistos and Ignatius Ksanthopoulos, Instructions for hesychasts, in 100 chapters, ch. 40 Sts. Kallistos and Ignatius say that each Divine gift should have a corresponding part in the soul that naturally receives such gift. E.g. the ones who made their mind clean from foreign thoughts - they receive wisdom; the ones who made their mind to control our inborn passions, anger and lust - receive prophecy; who has strong belief in Divine matters - receive all-mighty faith; the ones who succeeded in love for mankind - after elimination of self-love receive gift of healings.
(in Russian)St.John Chrysostom. Conversation about the words of the Apostle 1 Cor.10:1 St. John writes: neither baptism, nor absolution of sins, nor knowledge, nor the communion of the mysteries, nor sacred body, nor sacred blood, and nothing else can bring us any good if we do not lead a life honest, rigorous and alien to any sin.
Metropolitan Kallistos (Ware). The Jesus Prayer in St Gregory of Sinai. 1971. Metropolitan Kallistos writes: secondly, it is manifested to us in obedience through the methodical and unceasing invocation of the Lord Jesus, that is, through the memory of God. ... The second way is that of inner prayer, and it is characterized above all by the ‘memory of God’, that is, by the continual invocation of the Name of Jesus.
(in Russian)Metropolitan Hierotheos Vlachos. Orthodox psychotherapy. Dispassion. Metropolitan Hierotheos writes about true and false dispassion based on words from many Holy Fathers. The main property of true dispassion is perfect love. Dispassion with the lack of love resulting in condemnation of others, in noticing others' sins is a manifestation of false dispassion, e.g. when the passion of pride temporarily expels other passions.
(in Russian)Gleanings from Holy Fathers on the dangers of the prayer of the heart. In particular, St. Theophan the Recluse writes: "Madness from the Jesus prayer may occur when the one who practices this prayer does not abandon some sins or sinful habits, which the conscience condemns. At that, a deep dissonance occurs inside driving away any peace of the heart."
Elder Joseph the Hesychast, Monastic Wisdom, From letter 55. Elder Joseph writes in a letter to a priest about true and false visions and pride. If the person becomes proud – the demons can start to make a mock of him, showing their own visions that imitate the true ones.
The Letters of Elder John (Krestiankin). Elder John Krestiankin writes to one person about the "gift" of healing. Elder John says from his experience that such "gifts" often end in irresistible desire of suicide in both the healer and the patient.
(in French) Jean-Claude Larchet, Thérapeutique des maladies mentales. L'expérience de l'Orient chrétien des premiers siècles (1992, 3rd edition 2008) ISBN2204045187(in Russian)Жан-Клод Ларше, Исцеление психических болезней. Опыт христианского Востока первых веков Jean-Claude Larchet writes in his book about mental illnesses and sets apart 3 kinds of them: natural, demonic and spiritual based on the words from many Holy Fathers. Natural illness is associated with body (brain) malfunction, demonic one – with action of demons, and spiritual illness in the first place depends on the person's free will (though free will and demons can also partially participate in the first 2 kinds).
