15 ideas
| 7460 | The great moments are the death of Aristotle, Machiavelli, and Romanticism [Berlin, by Watson] |
| 7662 | Romanticism is the greatest change in the consciousness of the West [Berlin] |
| 10496 | Monothetic categories have fixed defining features, and polythetic categories do not [Ellen] |
| 10497 | In symbolic classification, the categories are linked to rules [Ellen] |
| 10494 | Several words may label a category; one word can name several categories; some categories lack words [Ellen] |
| 10495 | Continuous experience sometimes needs imposition of boundaries to create categories [Ellen] |
| 10498 | Classification is no longer held to be rooted in social institutions [Ellen] |
| 7665 | Most Enlightenment thinkers believed that virtue consists ultimately in knowledge [Berlin] |
| 541 | Virtue comes more from habit than character [Critias] |
| 7676 | If we are essentially free wills, authenticity and sincerity are the highest virtues [Berlin] |
| 7664 | The Greeks have no notion of obligation or duty [Berlin] |
| 7677 | Central to existentialism is the romantic idea that there is nothing to lean on [Berlin] |
| 20544 | Berlin distinguishes 'negative' and 'positive' liberty, and rejects the latter [Berlin, by Swift] |
| 542 | Fear of the gods was invented to discourage secret sin [Critias] |
| 7663 | Judaism and Christianity views are based on paternal, family and tribal relations [Berlin] |