This is a story that can be read on several levels, the simplest of which is The Devil Comes to Georgia (sic) and therefore a revelation of human nature and what it will do to achieve a desire or maintain a principle.
There is of course the historical significance, Mikhail Bulgakov giving a Candide-like version of reality.
There is the theme of what is true or believed to be true, such as the Master’s retelling of the story of Pontius Pilate, as well as the conflict within oneself between what is felt and what must be accepted to survive.
There is the moon. There is betrayal. There is repression and there is folly.
There is more for me to discover with The Master and Margarita than what I take from it now. It will–should I live long enough–be reread some day.