Know thyself
The inward turn — the unconscious, the shadow, and the blind spots that hide you from yourself.
Two thousand years after the Oracle at Delphi, "know thyself" is still the hardest instruction. Jung’s shadow names the parts of yourself you refuse to see; the bias blind spot and the curse of knowledge show how self-knowledge fails from the inside; Plato’s cave asks whether you know reality at all. This is the map of your own interior.
Key ideas here: The Shadow, Analytical Psychology, Carl Jung, Bias blind spot, Dunning–Kruger effect — and 6 more below.
Mental models
Cognitive biases
Bias blind spot
The bias blind spot is the tendency to recognise cognitive biases in other people while failing to see them in yourself. We readily spot others’…
Dunning–Kruger effect
The Dunning–Kruger effect is the tendency for people with low competence in a domain to overestimate their ability — because the very skills needed to…
Self-serving bias
Self-serving bias is the tendency to take credit for successes but blame failures on outside forces. A win proves your skill; a loss was bad luck,…
Illusion of transparency
The illusion of transparency is the tendency to overestimate how well others can perceive your inner states — your nervousness, feelings, or thoughts.…
The curse of knowledge
The curse of knowledge is the difficulty experts have imagining what it’s like not to know what they know. Once you understand something you can’t…
Ideas
The Shadow
Jung's term for the disowned parts of the self — traits we deny and project onto others — which must be integrated to become whole.
The Allegory of the Cave
Plato's image of prisoners mistaking shadows on a wall for reality — a picture of how education turns the soul from illusion toward truth.
Thinkers
Schools
Related topics
Go deeper
The book behind this idea: Man and His Symbols by Carl Jung. Hear the whole thing free — start an Audible trial and your first audiobook is on the house.
Read the full summary of Man and His Symbols →
More canonical picks:
- Thinking, Fast and Slow — Daniel Kahneman
- The Art of Thinking Clearly — Rolf Dobelli
- The Great Mental Models, Volume 1 — Shane Parrish
- Poor Charlie’s Almanack — Charlie Munger
- Super Thinking — Gabriel Weinberg & Lauren McCann
- Seeking Wisdom — Peter Bevelin
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Editorial synthesis © ReadGlobe. Each idea links to a full reference page with sources.