Within the depth-psychology corpus, hope occupies a liminal position between life-force and illusion, between theological virtue and psychological defense. Hillman offers the most searching interrogation: drawing on the physician’s maxim that ‘where there is life, there is hope,’ he simultaneously identifies hope as the fundamental emotional engine of life and — echoing Eliot — as ‘the fundamental deceit,’ the expectation that carries us away from present reality. This double valence is irreducible and constitutive of the term’s psychological weight. The Philokalic tradition treats hope quite differently: as one of three cardinal theological virtues — alongside faith and love — that together sustain the soul in its ascent toward God. Peter of Damaskos defines it as ‘life free from all anxiety, wealth hidden from the senses but attested by the understanding.’ In patristic sources hope functions cognitively, bringing future realities into present experience, and thereby fortifying the soul against demonic assault and the seductions of despair. Bion introduces a specifically group-psychological register, warning that Messianic hope — when it materializes — paradoxically extinguishes hope itself, since it leaves nothing further to anticipate. Across classical, therapeutic, and mystical registers, hope is consistently paired with its shadow — hopelessness, despair, suicide — rendering it not a simple positive affect but a tensional field within which psychic and spiritual life is constituted.