Sixteenth-century university halls echoed with Latin debates, rigid syllogisms, and an unshakable belief in human superiority. Scholars perched comfortably atop the great chain of being, convinced that non-human animals were dumb brutes created solely for human utility. Then arrived the rebel philosopher Giordano Bruno, ready to pull the rug from beneath the entire academic establishment.
In his biting satirical dialogue, the Italian thinker introduced a talking ass named Onorio who remembered every single one of his past lives. Onorio had worked as a humble beast hauling manure and vegetables to the city gates of Thebes. He had tumbled off a rocky cliff while greedily stretching his neck for a thistle, and then slipped past the river of the underworld without swallowing the water of forgetfulness. Because he successfully dodged total oblivion, Onorio retained the memory of inhabiting everything from four-legged beasts to famous thinkers, including Aristotle himself.
Bruno used this reincarnated creature to deliver a devastating critique of human exceptionalism and scholastic pedantry. Through Onorio, he argued that one shared vital spirit animates all living matter. Spiders, snakes, bears, and professors partake in the exact same underlying spiritual essence. The apparent gap between a sophisticated human and a mute animal springs from bodily makeup rather than any divine hierarchy of souls.
To dismantle human pride, Onorio posed a sharp anatomical riddle. If human beings possessed brilliant minds but had hooves instead of hands, our grand libraries, legal codes, and civil institutions would instantly vanish. We would wander the plains in vulnerable herds, devoured by wild predators. Conversely, if a serpent grew shoulders, legs, nimble fingers, and a flexible tongue, it would construct houses, debate laws, and walk with the dignity of any Roman senator. Human dominance rests heavily on the practical gift of our fingers, the versatile tool of tools, rather than an exclusive claim to cosmic importance.
Scholastic professors routinely dismissed animal brilliance as mere blind instinct while reserving true reason for humanity. Bruno mocked this double standard with relish. Ants construct complex societies, bees build mathematical wonders, and migrating birds navigate vast continents without attending a single lecture. Bruno asked why humanity should consider its own clumsy reasoning superior to the flawless practical wisdom displayed across the animal kingdom. If pedants insist on calling animal ingenuity mere instinct, one could just as easily label human philosophy an inferior variation of that very same drive.
The philosophical satire reaches its summit when an ass approaches a dogmatic academy and demands admission. When the schoolmaster turns him away on the grounds that beasts have no place among thinkers, the ass uses the schoolmaster’s own doctrines against him. In an infinite cosmos where life continuously transforms, the proud professor of today could easily become the pack animal of tomorrow, while the beast in the stable might have once worn the scholar’s gown.
As these radical ideas unfold, Bruno shows how uncomfortable truths frighten orthodox minds. The listener in the dialogue grows nervous upon realizing that leveling the boundary between humans and animals threatens to upend traditional theology and political hierarchy. Terrified by the implications, he begs the speaker to abandon serious doctrine and stick to funny stories and lighthearted entertainment. Bruno gladly wrapped his most dangerous insights in comedy, using satire as a protective shield against dogmatic censors.
Looking back across centuries of human exploitation of the natural world, Bruno stands out as an early champion of interspecies continuity. Long before modern ethology proved the cognitive depth of non-human creatures, he saw through the intellectual arrogance that reduces animals to mere tools. His sarcastic tale of the wise ass was a powerful plea for modesty, challenging humanity to look at the living world and recognize ourselves in the creatures we so casually dominate.
Bibliographic Information
- Title: The Animal Soul and the Human Mind: Renaissance Debates
- Subtitle: Ricerche filosofiche e materiali storico-testuali
- Series: Bruniana & Campanelliana, Supplementi, xxxvi · Studi, 15
- Editor: Cecilia Muratori
- Publisher: Fabrizio Serra editore
- Publication Places: Pisa · Roma
- Publication Year: 2013 (MMXIII)
- Edition: First Edition (Monographic Essay Collection with Original Latin/Italian Source Appendices)
- ISBN: 978-88-6227-582-8
- e-ISBN: 978-88-6227-583-5
- ISSN: 1127-6045
- Institutional Support / Funding: Ludwig-Maximilians-Universität München (LMU Munich Institutional Strategy LMUexcellent – Research Fellowships & LMU Mentoring-Programm; Center for Advanced Studies / CAS LMU)
- Historical Period Covered: 15th to early 17th Century (Renaissance and Early Modern Period: c. 1400–1640), with deep contextual anchors in Classical Antiquity (Presocratics, Plato, Aristotle, Epicurus, Lucretius, Plutarch, Porphyry, Sextus Empiricus, Galen), Late Antiquity/Early Church Fathers (Lactantius, Augustine, Philo of Alexandria), Medieval Philosophy (Johannes Scotus Eriugena, Avicenna, Averroes, Albert the Great, Thomas Aquinas, Meister Eckhart, Biagio Pelacani da Parma), and Early Modern transitions (Descartes, Spinoza, Bacon, Gassendi, Willis).
- Main Subject Areas: Renaissance Philosophy, History of Philosophy of Mind, Philosophical Anthropology, Zoology and Astrobiology, Cognitive Faculties in Nonhuman Animals, Intellectual vs. Sensitive Soul, Theories of Spontaneous Generation (generatio aequivoca / ex putri), Comparative Epistemology, Renaissance Skepticism, Animal Language and Semiotics, Affective Psychology and Passions.
(Ch. 9; pp. 171, 186)