8 ideas
12036 | Xenophanes began the concern with knowledge [Annas] |
12046 | Plato was the first philosopher who was concerned to systematize his ideas [Annas] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |
12037 | Euripides's Medea is a key case of reason versus the passions [Annas] |
12040 | Virtue is a kind of understanding of moral value [Annas] |
21991 | The middle class gain freedom through property, but workers can only free all of humanity [Marx, by Singer] |
21990 | Theory is as much a part of a revolution as material force is [Marx] |
7128 | Religion is the opium of the people, and real happiness requires its abolition [Marx] |