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LEARNERS AS LEADERS growing mind by helping it to take hold of the common stock of human knowledge. The schoolboy creates his mind by tracing over the patterns of thought which have been worked out through countless ages by the efforts of a long succession of explorers. The growing youth leaves school familiar, at least in outline, with the results of humanity's long endeavour to understand the universe. He knows the chief results that have been attained, the elements of the sciences of number, of space, of matter and of life. The history of our race has passed in outline before him. 24