Introduction. Imagination and mobility -- 1. The dream of flight -- 2. The poetics of wings -- 3. The imaginary fall -- 4. The works of Robert Desoille -- 5. Nietzsche and the ascensional psyche -- 6. The blue sky -- 7. The constellations -- 8. Clouds -- 9. The nebula -- 10. The aerial tree -- 11. The wind -- 12. Silent speech -- Conclusion. Part I. The literary image; Part II. Cinematic philosophy and dynamic philosophy