7 ideas
12735 | Everything has a fixed power, as required by God, and by the possibility of reasoning [Leibniz] |
4304 | Descartes says there are two substance, Spinoza one, and Leibniz infinitely many [Cottingham] |
4303 | The notion of substance lies at the heart of rationalist metaphysics [Cottingham] |
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] |
4306 | For rationalists, it is necessary that effects be deducible from their causes [Cottingham] |
7128 | Religion is the opium of the people, and real happiness requires its abolition [Marx] |