Acharya Prashant explains that one's true nature is a state of absolute ease and fearlessness, where consciousness is free from all agitation, experiences, and desires. He defines spiritual perfection as infinity and emptiness, contrasting it with worldly completeness, which is always limited and temporary. Anything that is not infinite is bound by boundaries and death. The ego, feeling incomplete and fearing its inevitable end, seeks refuge in worldly objects like wealth, relationships, and status to temporarily forget its mortality. However, these objects are themselves finite and dying, providing only a temporary 'anesthesia' or intoxication that eventually fades, leaving the individual in a worse state.