Type of Audience When one is dealing with an audience that is large and heterogeneous, one is dealing with the unschooled mind. Expertise cannot be a… - Howard Gardner

Both science and history are moving targets. Scholars in the twenty-first century are much more aware than those of earlier generations that scientists operate under the influence of powerful metaphors (science as exploration, discovery, documentation, thrust and counterthrust), and that both the scope and the tools of history undergo continual changes. Still, most scientists and most historians would concur that the broad strokes I've sketched, when viewed from sufficient distance, are accurately rendered—that is, that science and history are each in pursuit of statements that represent the truths ascertained by their respective disciplines

If we cannot today implement an education that yields full understanding, we can certainly do a much better job than we have done up to this point. The process of achieving such an education ought to be challenging and enriching, far more so than the implementation of the less ambitious education with which we have been saddled — even in places where students are required to work on their assignments until the wee hours of the morning. Important clues for the achievement of such an education come from venerable sources such as the traditional apprenticeship; equally important clues come from new sources of evidence, ranging from recently developed technologies like videodisks to newly evolving institutions such as children's museums.

The tenets (and limits) of behaviorism are well conveyed in an old joke: Two behaviorists make love. The first then says to the second, “Well, it was great for you. But tell me, how was it for me?