5 ideas
| 291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
| 18241 | Sufficient reason is implied by contradiction, of an insufficient possible which exists [Wolff, by Korsgaard] |
| 9463 | Classical logic is bivalent, has excluded middle, and only quantifies over existent objects [Jacquette] |
| 293 | Being unafraid (perhaps through ignorance) and being brave are two different things [Plato] |
| 18242 | Confucius shows that ethics can rest on reason, rather than on revelation [Wolff, by Korsgaard] |