No amount of observations of white swans can allow the inference that all swans are white, but the observation of a single black swan is sufficient to refute that conclusion.
David HumeThe great charm of poetry consists in lively pictures of the sublime passions, magnanimity, courage, disdain of fortune; or thoseof the tender affections, love and friendship; which warm the heart, and diffuse over it similar sentiments and emotions.
David HumeThe whole is a riddle, an enigma, an inexplicable mystery. Doubt, uncertainty, suspence of judgment appear the only result of ourmost accurate scrutiny, concerning this subject. But such is the frailty of human reason, and such the irresistible contagion of opinion, that even this deliberate doubt could scarcely be upheld; did we not enlarge our view, and opposing one species of superstition to another, set them a quarrelling; while we ourselves, during their fury and contention, happily make our escape into the calm, though obscure, regions of philosophy.
David HumeNothing is so improving to the temper as the study of the beauties either of poetry, eloquence, music, or painting.
David Hume