 Locke develops his hedonistic account most extensively in the Essay. According to this account, pleasure and pain are the primary motivating factors for all human action and human thought. Feelings of pleasure and pain accompany all our ideas, for Locke, prompting us to act in response to our perceptual experiences, and to move, in thought, from one idea to another. If we had no accompanying feeling of delight or pain in the face of certain stimuli we would be unmoved to create music, eat when hungry, or even shift our attention from one idea to any other—the perception of rain would raise in us no different response than a sunny day, the idea of one’s children would inspire no related thoughts of home or family, nor any discernibly different response from the idea of children one does not know. Locke writes,