4 ideas
291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
13416 | Mathematics must be based on axioms, which are true because they are axioms, not vice versa [Tait, by Parsons,C] |
13191 | The properties of a thing flow from its essence [Leibniz] |
293 | Being unafraid (perhaps through ignorance) and being brave are two different things [Plato] |