Using the brain mainly focuses on wisdom and logic. Simply put, it is to solve some problems in the phenomenon world with logical thinking. Simply using the brain will not bring harm to the body, but often using the brain will help prevent diseases such as Alzheimer's disease.
Different intentions, mainly focusing on emotion. Generally speaking, doing things with your heart, with strong persistence and desire, will naturally bring strong emotional factors in the process of doing things: success will lead to being in heaven; Failure is both sad and angry.
Benefits of using the brain:
People who use their brains for services often have their cerebral vessels stretched, thus making their brains more developed and avoiding premature aging. On the contrary, those who are lazy to think are likely to be precocious because their brains are less or even not stimulated by information.
Benefits of doing things with your heart:
People who work hard will constantly create, innovate, think and feel, and it is easy to find the laws behind things, which are wisdom that cannot be learned from previous knowledge and cognition. People who work hard are good at exploration and innovation, and it is easy to jump out of previous understanding.