Philosophy Philosophy is attempt to comprehend most fudamental principles of the world and thinking. Philosophy focuses not on observation and experiment, but on thinking itself. Phylosophy uses a priory approach that inherent in mathematics, but phylosophy deals not with quantity, but with quality structures of the world. Mathematics sucseeded, but philosophy failed, especially when faced with successful attemts of science to investigate the world a posteriory. However the world as a whole is uknown and so you can continue to imagine what it is. Other philosophers is focusing on language's structure or mind's structure or on their own imaginaion, or they are studing history of philosohpy.