A Philosophical Inquiry into the Origin of Our Ideas of the Sublime and Beautiful, by Edmund Burke, is a foundational work in aesthetics and philosophy, first published in 1757. In this treatise, Burke distinguishes between the concepts of the beautiful—associated with harmony, softness, and pleasure—and the sublime, which evokes awe, terror, and a sense of vastness or power beyond comprehension. Drawing from psychology, art, and nature, Burke investigates how these two distinct aesthetic experiences shape human perception and emotion.

The Inquiry had a significant influence on later thinkers, including Immanuel Kant and the Romantics, and helped establish the sublime as a central theme in 18th- and 19th-century aesthetics. Burke's approach was revolutionary for its time, as he grounded aesthetic judgment not in rationality or classical ideals, but in sensory and emotional responses, anticipating modern theories of subjectivity and perception.

The enduring relevance of Burke's Inquiry lies in its exploration of how beauty and sublimity affect the human psyche, challenging traditional notions of taste and opening new pathways in art, literature, and philosophy. It remains a critical text for understanding the emotional power of the sublime and its role in shaping human experience.