Self-knowledge (n.) means finding out whether one is a beast more monstrous than Typhon or a gentler, simpler animal.
Self-knowledge (n.) is knowledge of God — so each individual is his own centre, and the whole world centres on him.
Self-knowledge (n.) first requires the power to deny yourself: you cannot know yourself unless you can oppose and doubt yourself.
Self-knowledge (n.) looks impossible once you test it: there is no sight that sees no colour, only itself and other sights.
Self-knowledge (n.) comes by looking into another soul, at the part where wisdom happens, as an eye sees itself only in the seeing part of another eye.
Self-knowledge (n.) comes first: until I know myself, it is ridiculous to investigate anything else — even whether the myths are true.
Self-knowledge (n.) fails in three ways: thinking yourself richer than you are, taller and handsomer than you are, or, commonest of all, better than you are.
Self-knowledge (n.) is knowing who your real rivals are: 'know thyself' tells Alcibiades that even the enemy's wives judge better than he what it would take to beat them.
Self-knowledge (n.) is the precondition of self-improvement: we can never know which skill makes us better until we know what we are.