The idea that everything is as it is for a reason is the assumption behind most of philosophy. If we thought that things just happened, we would.
Nb. These are not per se the most important philosophical ideas, just the ones I think everyone should have a grasp of: Basic Syllogisms; The most important.
Below is a list of the greatest thinkers of all time along with their most important theories about human nature and other ponderings of the world.
This is important, because to be able to say that "this is the situation, it would be better if it were so" implies that you have an underlying rationale to evaluate the current situation and how the suggestion you're making would make it better. This is simple enough with external views and opinions, but the really hard part is to apply the same rigorous and stringent standards to your own thinking. Epicurus was highly influential in the imperial Roman period, but the Catholic church did an excellent job in getting pretty much everybody to either forget or completely misunderstand the school of thought, as it was in some respects diametrically opposed to certain tenets of the Catholic faith especially the relativism inherent in Epicureanism doesn't really work with any strictly dogmatical system of belief. It should be necessary to everyone to explain to themselves in a satisfactory manner a why they believe in what they believe b is there a possibility of them being completely and utterly wrong in their conclusions. The basic Philosophy what is the most
of Epicureanism can be encapsulated by the Tetrapharmakon: Don't fear god, don't fear death, what is good is easy to get and pain is easy to endure. Once you start with introspection, and realize the possible fallacy that you're unwittingly committing by downplaying those of other people, you quickly run into the possibility that everything you think and believe might be utterly and completely wrong, Philosophy what is the most
, or at least not as absolute as you previously thought. She is considered as the earliest of feminist philosophers.