both physics and epistemology and doesn't lead the reader to think that Epicurus' ethics are the only important thing about his system.
The reason I haven't spent much time with Epicurean physics and epistemology is that I am a firm believer in modern science. I think it might be important to contrast Epicurus' ideas with modern scientific understanding.
Check out this:
Did Humans Evolve to See Things as They Really Are?
Do we perceive reality as it is?
www.scientificamerican.com