From engraved rocks in ancient caves to sculptures made thousands of years ago and all styles of paintings, humans have been pursuing beauty since the dawn of civilization. We have been making aesthetic explorations since ancient Greece, seeking to define what beauty is. But the definition of beauty is ever-changing. People of different times and places have different ideals of beauty. So, what is beauty, anyway? In this book, On Beauty, the author refers to a wide range of philosophical writings and works of art, guiding us through thousands of years in the history of perfect beauty.