metaphysics
The Intelligible and the Sensible
νοητόν / αἰσθητόν
Two worlds: one you reason your way into, eternal and unchanging; one you merely see, fleeting as a shadow on a cave wall.
Plato argued that reality is split in two. There is the sensible world — everything we see, touch, and hear — which is always changing and only ever a copy of something truer. And there is the intelligible world, grasped not by the eyes but by the mind: the eternal Forms, like Beauty or Justice themselves, which never change. His images of the Divided Line and the Cave dramatize the soul's ascent from shadows to the light of genuine knowledge. Centuries later Plotinus expanded the intelligible into a luminous cosmos of Mind, deepening one of philosophy's most enduring divisions.
Where this idea shows up
20 Greek sources·3 Jewish-canon citationsWhere to read it
- Parmenides370 BCEPlato· Athens
- Theaetetus369 BCEPlato· Athens
- Metaphysics322 BCEAristotle· Chalcis
- Adversus Coloten95 CEPlutarch· Chaeronea
- Quaestiones Convivales120 CEPlutarch· Chaeronea
- Platonicae quaestiones120 CEPlutarch· Chaeronea
- De primo frigido120 CEPlutarch· Chaeronea
- Plutarch· Chaeronea
- De Iside et Osiride120 CEPlutarch· Chaeronea
- De Defectu Oraculorum120 CEPlutarch· Chaeronea
- Pyrrhoniae Hypotyposes210 CESextus Empiricus· Alexandria
- Duties of the Heart1080 CE
- Guide for the Perplexed1190 CE
- Akeidat Yitzchak1490 CE