4 ideas
| 291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
| 16674 | The quantity is just the matter, in that it has extended parts and is diffuse [Charleton] |
| 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] |