Here is a great way to gain the background in philosophy which you have wanted but never had the time to get. In a course at Christ College Dr. Bahnsen, discusses the history of philosophical development from biblical times, through ancient Greece and into the Middle Ages. Understand the antithesis between Christianity and the world (even in our culture today), as well as the crucial setting for the introduction of Christianity and its early development in the world of thought. Also helpful for deepening your understanding of apologetical issues.
History of Western Philosophy: Ancient & Medieval