Working with concrete lives like this, as they proceed through the theoretical discussions in this book, should prevent students or anyone else from gaining the impression that I am trying to pre sent a system or a theory of personality. No one knows enough at present to build a theory. Rather what is needed and what I have tried to do is to find a number of constructs in terms of which we can collect data about personality, perhaps with the ultimate h0pe of building a theory. Anyone who thinks through the questions at the ends of the chapters, or who faces the problem of attempting to treat the bewildering variety of Karl's or anyone else's behavior in terms of the theoretical constructs used cannot fail to be impressed by how much there is to learn. But this is as it should be. The science of personality is only at its beginning and the student should know this above all other things.
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