πλάνη
Prelest
Spiritual delusion — the tradition's central warning
What it means
Prelest is the tradition's central warning: the danger of self-deception in the spiritual life. It refers specifically to the condition of someone who has mistaken their own imagination, emotions, or spiritual ambitions for genuine encounter with God. The person in prelest may believe they are having mystical experiences, receiving divine revelations, or achieving advanced spiritual states — while in reality they are being deceived by their own unchecked passions, especially pride and vainglory.
How the teachers describe it
The Philokalia returns to this warning repeatedly, especially in the texts dealing with more advanced practice. Gregory of Sinai, who revived the hesychast tradition, devoted extensive attention to the danger of prelest, teaching practitioners to distrust unusual experiences during prayer — visions, lights, voices, warmth, extraordinary sensations. His instruction was consistent: if any such experience arises, do not pursue it. Do not embrace it. Treat it exactly as you would treat a distracting thought — notice it, let it pass, return to the prayer.
The tradition identifies two primary forms of prelest. The first is imagining that you are receiving direct communications from God (revelations, visions, voices) when you are actually experiencing the products of your own imagination amplified by spiritual aspiration. The second, more subtle form is the conviction that your spiritual progress is your own achievement — that you have earned, through your practice, whatever depth you've reached. This second form is essentially spiritual pride, and the tradition considers it the most dangerous because it feels like humility's opposite while wearing humility's clothing.
The protective practices
The tradition prescribes specific protections against prelest: never seek unusual experiences during prayer. Maintain humility by considering yourself always a beginner. Seek the guidance of a qualified spiritual director. Stay grounded in community rather than pursuing the spiritual life in isolation. And when in doubt, distrust the experience — the prayer itself is enough.
Why it matters
Prelest is the tradition's honest acknowledgment that the spiritual path carries real risks, not just real rewards. Any practice that opens the inner life to deeper experience also opens it to self-deception. The extensive attention the Philokalia gives to this danger is actually reassuring — it means the tradition has already mapped the pitfalls and developed practical safeguards. Understanding prelest doesn't make you anxious about practice. It makes you practice more honestly.