“I find that, as a rule, when a thing is a wonder to us it is not because of what we see in it, but because of what others have seen in it. We get almost all our wonders at second hand.”

“We speak of nature; it is folly; there is no such thing as nature; what we call by that misleading name is merely heredity and training. We have no thoughts of our own, no opinions of our own; they are transmitted to us, trained into us.”

“We despise all reverences and all objects of reverence which are outside the pale of our list of sacred things. And yet, with strange inconsistency, we are shocked when other people despise and defile the things which are holy to us.”

“Schoolboy days are no happier than the days of afterlife, but we look back upon them regretfully because we have forgotten our punishments at school and how we grieved when our marbles were lost and our kites destroyed – because we have forgotten all the sorrows and privations of the canonized ethic and remember only its orchard robberies, its wooden-sword pageants, and its fishing holidays.”

“It was wonderful to find America, but it would have been more wonderful to miss it.”

“I wonder if God created man because He was disappointed with the monkey.”

“What gets us into trouble is not what we don't know. It's what we know for sure that just ain't so.”