Philosophy

Tertium Organum: The Third Canon of Thought

A Philosophy of Higher Consciousness, the Fourth Dimension, and the Limits of Ordinary PerceptionBy P. D. Ouspensky

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Length14h 47m

About this audiobook

In *Tertium Organum* (1912), P. D. Ouspensky proposes a "third canon of thought" intended to move beyond the logical systems associated with Aristotle and Francis Bacon. Combining philosophical speculation, mathematics, psychology, and comparative religion, he explores the fourth dimension, the relativity of space and time, intuition, symbolism, and the possibility of higher forms of consciousness. Its argumentative method is deliberately syncretic: scientific concepts serve as analogies for metaphysical claims, while mystical and religious traditions are treated as surviving expressions of nonordinary knowledge. The book belongs to the early twentieth-century intellectual climate in which new geometries, psychology, and occult revival challenged nineteenth-century materialism, and its visionary prose occupies an important place between speculative philosophy and esoteric modernism. Ouspensky (1878–1947), a Russian mathematician, journalist, and philosopher, was formed by the crisis of classical certainty and by his extensive engagement with Theosophy, Eastern thought, and mystical Christianity. His travels and study of systems promising transformation of consciousness encouraged him to seek a synthesis of rational inquiry and spiritual experience. *Tertium Organum* reflects this formative tension: it neither simply rejects science nor accepts conventional empiricism as sufficient, but asks whether humanity can cultivate faculties capable of apprehending realities ordinarily excluded from perception. Recommended for readers of speculative philosophy, intellectual history, mysticism, and early modernist thought, this challenging work rewards patience and critical comparison. It should be read not as a scientific treatise in the contemporary sense, but as an ambitious map of the metaphysical possibilities opened by modern science and spiritual inquiry.

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