Zhuangzi, also known as Chuang Tzu, was an influential Chinese philosopher who lived around the 4th century BCE during the Warring States period. He is best known as the author of the text named after him, "Zhuangzi," which is a foundational work of Daoist philosophy. Zhuangzi's writings explore themes of spontaneity, freedom, and the relativity of human concepts, encouraging readers to transcend rigid societal norms and embrace the natural flow of life. His use of allegory and paradoxical anecdotes has profoundly shaped Chinese thought and literature. Zhuangzi's insights into harmony and the nature of existence continue to resonate today.