Summary
This quote suggests that enthusiasm is essential for the smooth functioning and operation of the mind. Just like how lubrication reduces the friction and allows machinery to work effortlessly, enthusiasm serves a similar purpose for the mind. When one is enthusiastic, their thoughts flow more easily, ideas and creativity flourish, and they are able to approach tasks with energy and passion. Enthusiasm acts as a catalyst, enhancing cognitive processes, and enabling individuals to engage and think more effectively. It highlights the significance of maintaining a positive and enthusiastic mindset for optimal mental performance.