Attention is the brain's filtering mechanism; what passes through that filter is what gets encoded. What gets encoded becomes memory. And memory is the raw material of identity. So in the architecture of your identity, attention is the doorway.
Metaphors are linked to how we experience the world around us, according to seminal work by researchers George Lakoff and Mark Johnson. In English, we "move forward" with our lives and don't "retreat into" the past. We speak about people who are "cold as ice" and "heavy" matters we need to resolve. Some of these metaphorical expressions are more than just, well, expressions-they are actually based on our sensory experiences. This mind-body link is called "embodied cognition."
For most of my life, I thought of myself as a fixed entity: This is me. These are my traits. This is who I am. I assumed I was essentially that same person who loved sugary cereal at age 8, fried chicken at 12, and tequila at 21, and who still loves those things now, even if my stomach disagrees. But this is an illusion. Neuroscience, physics, and Buddhism all agree: There is nothing fixed about us-not even close.
For Plato, psyche meant something like what we'd now call mind -understood as a complex system requiring governance. The psyche had distinct parts: a reasoning part that deliberates, a spirited part that feels emotion and courage, and an appetitive part that desires. Each part has its own function and its own form of excellence. And crucially, these parts need to be governed-integrated under what Plato called constitutional self-rule.
