7 ideas
| 291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
| 19426 | 'Nominal' definitions just list distinguishing characteristics [Leibniz] |
| 13007 | Archimedes defined a straight line as the shortest distance between two points [Archimedes, by Leibniz] |
| 19424 | Knowledge needs clarity, distinctness, and adequacy, and it should be intuitive [Leibniz] |
| 19427 | True ideas represent what is possible; false ideas represent contradictions [Leibniz] |
| 293 | Being unafraid (perhaps through ignorance) and being brave are two different things [Plato] |
| 19425 | In the schools the Four Causes are just lumped together in a very obscure way [Leibniz] |