| 1844 | Contrib to Critique of Hegel's Phil of Right |
| Intro | p.158 | 7128 | Religion is the opium of the people, and real happiness requires its abolition |
| 1846 | Theses on Feuerbach |
| §II | p.121 | 5297 | Whether human thinking can be 'true' must be decided in practice, not theory |
| §VI | p.122 | 5298 | The human essence is not found in individuals but in social relations |
| §VII | p.122 | 5299 | Religious feeling is social in origin |
| §XI | p.123 | 5300 | Philosophers have interpreted the world, but the point is to change it |
| 1860 | works |
| p.163 | 18653 | Marx rejected equal rights because they never actually treat people as equals |
| p.251 | 18662 | Liberal freedom is the right to be separate, and ignores the union of man with man |