Feeling, as a biological and psychological phenomenon, refers to the body's detection of external or internal stimuli, serving as the initial stage of perception through sensory organs. This process, encompassing both exteroception (external stimuli) and interoception (internal signals), underpins cognition, behavior, and emotional experience.
Authors have long explored its nuances: Wordsworth emphasized feeling’s role in intensifying emotional resonance, Hazlitt contrasted it with reason as a guiding force in art and life, while Landon poetically framed it as a mysterious, ineffable aspect of human experience. The differentiation between sensation and feeling, as noted by philosophers, underscores the latter’s subjective, introspective character. Thus, feeling connects physiological reality with the subjective fabric of human thought, revealing its dual role as both a biological necessity and an existential foundation.