On the importance of tacit knowledge and why reality has a surprising amount of detail. Without some kind of direct experience to use as a touchstone, people don't have the context that gives them a place in their minds to put the things you are telling them.

The things you say often don't stick, and the few things that do stick are often

"We teachers - perhaps all human beings - are in the grip of an astonishing delusion. We think that we can take a picture, a structure, a working model of something, constructed in our minds out of long experience and familiarity, and by turning that model into a string of words, transplant it whole into the mind of someone else. Perhaps once in a