The four foundations of mindfulness are the body (breathing, changes in posture, activities), feelings (the senses of pleasantness, unpleasantness, and neutrality), the mind (in particular, its moods and attitudes), and the objects of mind (which include the five senses but also other mental states, such as volition, tranquility, rapture, equanimity, and even mindfulness itself). It is a peculiar list, at once redundant and incomplete—a