Moral perfection occupies a contested and generative position within the depth-psychological and philosophical-spiritual corpus. Its treatment spans at least four distinct registers. In classical Greek thought, as Dihle demonstrates, moral perfection is inseparable from rational understanding: only knowledge of the rational order of the universe leads to right conduct, rendering the concept epistemological before it is ethical. The Stoics, as Long and Sedley document, radicalize this into the figure of the sage whose virtue is absolutely self-sufficient, faultless, and coincident with happiness — a standard acknowledged to be nearly unattainable in practice. The Orthodox-ascetic tradition represented in the Philokalia offers a contrasting movement: perfection is a telos of synergeia between divine grace and human will, approached through apatheia, prayer, and compunction, yet always incomplete in the present life. Coniaris, drawing on Desert Father wisdom, reframes perfectionism itself as pathology — the sin of pride — while preserving the call to perpetual moral striving. Karen Horney’s psychoanalytic critique is decisive here: the neurotic demand for moral perfection becomes the tyranny of the idealized self, a compulsive inner dictate that paradoxically produces self-contempt. Maimonides, refracted through Yalom, situates moral perfection as the third of four perfections — praiseworthy but ultimately other-directed and insufficient for human self-realization. Across these traditions the term functions simultaneously as aspiration, structural impossibility, psychological danger, and theological gift.