Acharya Prashant explains that understanding is a phenomenon that cannot be measured, detected, or assessed by the mind. He asserts that claiming to understand is a form of arrogance, as true understanding is bigger than the individual and cannot be held as a possession. While knowledge is like a ready-made weapon that one carries in an arsenal and is aware of in advance, understanding is invisible and only reveals itself through the fullness and exactness of one's response in the moment of requirement. It is not something that can be used for display or to impress others, as it lacks bragging value and cannot be stored as memory. He further describes understanding as a natural result of being present and attentive, rather than a deliberate mental effort. It functions like an invisible hand or a blessing that appears exactly when needed and disappears once the moment has passed, allowing a person to travel light without the burden of accumulated knowledge. Acharya Prashant encourages the listener to remain honest and fully present without worrying about the consequences or trying to assess what has been gained. He emphasizes that while knowledge is limited and used for personal purposes, understanding is a spontaneous, complete response that surprises even the one who responds.