4 ideas
291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
2667 | A false object might give the same presentation as a true one [Arcesilaus, by Cicero] |
8693 | An 'abstraction principle' says two things are identical if they are 'equivalent' in some respect [Boolos] |
293 | Being unafraid (perhaps through ignorance) and being brave are two different things [Plato] |