The Nyaya Sutra is an ancient Indian text that forms the foundation of the philosophical system known as Nyaya, which focuses on logic and epistemology. Attributed to the sage Gautama, the text consists of aphorisms that outline methods for acquiring knowledge and understanding reality. It emphasizes the importance of reasoning and debate in the pursuit of truth. The Nyaya Sutra is part of the larger body of Indian philosophy and is often studied alongside other systems like Vaisheshika and Mimamsa. It addresses various topics, including perception, inference, and the nature of valid knowledge. This text has significantly influenced Indian thought and continues to be relevant in philosophical discussions today.