5 ideas
8728 | Intuitionist mathematics deduces by introspective construction, and rejects unknown truths [Brouwer] |
467 | A virtue is a combination of intelligence, strength and luck [Ion] |
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] |