The Pillars of the Earth also paints a vivid picture of the rigid social hierarchies of medieval England. It depicts the harsh realities of life for the common people—peasants struggling to survive poverty, disease, and oppression. Yet, within this rigid structure, the novel also shows the potential for social mobility. Characters like Jack and Aliena strive to transcend their humble origins and achieve a better life through talent, determination, and sheer force of will. The characters are constantly challenged by nature, famine, and torture, but their resilience and capacity for love and revenge drive the story forward.