" Here the body furnishes the material and spatial location “where” I am, feelings provide the affective or hedonic tone of “how” I am (in terms of feeling pleasant, unpleasant, or neutral), perceptions supply the conceptual appraisal of “what” I am experiencing, formations are responsible for “why” I react to anything that happens (in the way I actually do), and consciousness is that “whereby” I experience. "

― Bhikkhu Anālayo , Early Buddhist Meditation Studies