7 ideas
1477 | Being manly and brave is the result of convention, not of human nature [Plutarch] |
1478 | Animals don't value pleasure, as they cease sexual intercourse after impregnation [Plutarch] |
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] |
1479 | Animals have not been led into homosexuality, because they value pleasure very little [Plutarch] |
13605 | Gravity isn't a force, because it produces effects without diminishing [Mayer] |
7128 | Religion is the opium of the people, and real happiness requires its abolition [Marx] |