For, besides what has been said, it should be borne in mind that the temper of the multitude is fickle, and that while it is easy to persuade them of a thing, it is hard to fix them in that persuasion
pay attention to what I eat and to how I balance that with physical and mental exercise. The same way I want to spend time filling my mind with the best information I can acquire from the best sources I can obtain, I also want to consume nourishment from the best sources for my body.
Of course, you can’t force your mind to be silent. That would be like trying to smooth ripples in water with a flatiron. Water becomes clear and calm only when left alone.