5 ideas
291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
18256 | Quantity is inconceivable without the idea of addition [Frege] |
9831 | Geometry appeals to intuition as the source of its axioms [Frege] |
293 | Being unafraid (perhaps through ignorance) and being brave are two different things [Plato] |
22232 | Authenticity is taking responsibility for a situation, with all its risks and emotions [Sartre] |