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Three particular themes are basic to this study. First, that the human race and its environment are involved in a slowly progressive process of revelation and understanding of its inherent features; and that we are all participating in this ongoing evolutionary cycle. Second, and closely related to the first tenet, man is not separable from his environment. We all share in this cyclic development. Third, that our egoic structures, with the data and experiences they involve, can play a key r...