Directed thinking studies the unconscious the way a naturalist pins specimens — it can describe what it catches, classify the residue, build a typology. What it cannot do is cross over. The Word Association Studies measured reaction times and registered disturbances; Freud's method translated dream-content into interpretable meaning. Both kept the ego on its side of the glass, looking in. Jung's recognition that this is a structural limitation, not merely a methodological one, is what the transcendent function actually names: not a faculty that upgrades rational thought, but a passage that rational thought categorically cannot open from the inside.

Corbin's Mundus Imaginalis matters here because it refuses to let the imaginal collapse into either the literal or the purely subjective. The mundus imaginalis is a third order — not fantasy, not sense-perception, not concept — and the Sufi tradition from which Corbin drew had kept that order alive with a precision Western philosophy largely surrendered when it decided the imagination was ornamental. What Tozzi is tracing, in linking Corbin back to Jung's active imagination, is the recognition that the soul requires a mode of encounter that has its own epistemology, its own validity conditions — that gnosis here is not mystical vagueness but a specific way of knowing that directed cognition structurally cannot replicate.