Summary: to the concept of rasa, the nectar of delight or emotional essence, which is seen as the underlying joy in life and the immortal aspect of the self. This emotional essence is connected to the growth and becoming of the self, emphasizing the importance of inner transformation. Additionally, the Upanishads touch upon the idea of desire (kama) and the power of thinking (dhi) as essential aspects of the mind, highlighting the role of intention and motivation in human actions. Moreover, references to ardour and intelligence in the form of medha and manisa suggest a dynamic and active nature of intelligence in the Indian philosophical thought. Overall, the Upanishads provide a rich philosophical framework for understanding the emotional and volitional aspects of the mind, emphasizing the importance of inner growth, joy, desire, and intention in shaping human experience.