An Essay Concerning Human UnderstandingBy: John Locke In An Essay Concerning Human Understanding, first published in 1690, John Locke (1632 1704) provides a complete account of how we acquire everyday, mathematical, natural scientific, religious and ethical knowledge. Rejecting the theory that some knowledge is innate in us, Locke argues that it derives from sense perceptions and experience, as analysed and developed by reason. While defending these central claims with vigorous common