Summary: The text discusses the key principles of classical Samkhya philosophy, focusing on the guna-theory and the relationship between Purusa and Prakrti. It also delves into the concept of Brahman in the context of Sankara and Ramanuja's philosophies, highlighting their views on consciousness, creation, and liberation. Professor Anima Sen Gupta sheds light on the synthesis of orthodox Indian philosophies and their roots in the Upanishads, emphasizing the importance of an enlarged edition for the study of Indian philosophy. The essence of classical Samkhya philosophy lies in the analysis of human experiences and the quest for understanding life's significance in relation to the universe. The discussion also touches upon the convergence of Western and Eastern spiritual values, demonstrating common ground despite contrasting approaches to the concept of the spirit and the spiritual. Overall, the text offers a profound exploration of Indian philosophical thought and its relevance in understanding the complexities of existence.