If you are a new student of Epicurus, this is the book you want first (click the image to search at Abebooks):
If you know the language, check out the active Epicurean pages in the homeland: Epicuros.gr and Epicuros.net. And by the way, you might want to call it “Hellas” rather than Greece!
“I will be faithful to Epicurus, according to whom it has been my choice to live.” – Philodemus, On Frankness, fragment 45.9-11
Which means in practice:
I will be faithful to Nature, according to whom it has been my choice to live.