Hexagram 36, Ming Yi, portrays the sun submerged beneath the earth, symbolizing a profound obscuration of clarity and the suppression of brilliance by the external world. It is the archetype of the "injured light," where wisdom and truth are forced into hiding by a hostile or ignorant environment. In this overall aspect, the judgment "favorable to be perseverant in hardship" offers a stoic imperative: one must not rashly expose their inner flame to a world that seeks to extinguish it. Instead, this is a time for strategic withdrawal and the cultivation of an invincible interiority.

Philosophically, Ming Yi teaches that darkness is not merely an absence of light, but a test of integrity. It demands that we preserve our essential values despite the lack of recognition or reward. By accepting the constraints of the moment and enduring with quiet determination, we transform suffering into a crucible for character. This hexagram reminds us that the survival of truth often depends on the wisdom to conceal it, ensuring that when the darkness eventually lifts, the light remains undimmed to guide the way forward.