There is a very important reason for this: any philosophy is born as a result of important questions of the times in which it was created. When a philosopher wr

There is a very important reason for this: any philosophy is born as a result of important questions of the times in which it was created. When a philosopher writes an original work he/she has all these problems in mind. A modern writer will have to filter that same philosophy to the lights of the modern days, which usually doesn't work as well. To truly understand what a philosophy is all about you need to read the originals.