- Dark fantasy is a subgenre of fantasy literary, artistic, and cinematic works that incorporates disturbing and frightening themes. The term is ambiguously used to describe stories that combine horror elements with one or other of the standard formulas of fantasy.
- Karl Marx (plato.standford.edu)
Karl Marx (1818–1883) is often treated as a revolutionary, an activist rather than a philosopher, whose works inspired the foundation of many communist regimes in the twentieth century. It is certainly hard to find many thinkers who can be said to have had comparable influence in the creation of the modern world.