The Katha Upanishad is a key philosophical text from ancient India, part of the Yajur Veda. It explores profound themes such as the nature of the self, the concept of Brahman (the ultimate reality), and the path to spiritual enlightenment. The text is structured as a dialogue between a young boy named Nachiketa and Yama, the god of death, who imparts wisdom about life, death, and the eternal soul. This Upanishad is notable for its poetic verses and metaphysical inquiries. It emphasizes the importance of self-knowledge and the pursuit of truth, encouraging individuals to seek understanding beyond the material world. The teachings of the Katha Upanishad have influenced various philosophical traditions and continue to be studied for their insights into existence and consciousness.