What is the theme in The Letters of Abelard and Heloise by Peter Abelard?

Forbidden romance is a theme inthe book. The Letters of Abelard and Heloise concern, centrally, a forbidden romance and its consequences. Peter Abelard quickly rose to prominence due to his extraordinary intellectual abilities and his innovative teachings. He won a number of disputations with older and putatively more accomplished scholars. Riding the wave of fame and the inevitable confidence it can bring, Abelard set his sights on seducing Heloise, a young girl who was widely renowned for her learning. Offering his skills as a private tutor, Abelard convinced Fulbert, Heloise's uncle, to let him live with them in order to teach Heloise directly.