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 incident to the intellectus sibi permissus, the understanding which has made up all its bundles of associations under the guidance of popular phraseology. The close, searching elenchus by which the man of vague generalities is constrained either to express his meaning to himself in definite terms, or to confess that he does not know what he is talking about; the perpetual testing of all general statements by particular instances; the siege in form which is laid to the meaning of large abstract terms, by fixing upon some still larger class-name which includes that and more, and dividing down to the thing sought—marking out its limits and definition by a series of accurately drawn distinctions between it and each of the cognate objects which are successively parted off from it—all this, as an education for precise thinking, is inestimable, and all this, even at that age, took such hold of me that it became part of my own mind. I have felt ever since that the title of Platonist belongs by far better right to those who have been nourished in, and have endeavoured to practise Plato’s mode of investigation, than to those who are distinguished only by the adoption of certain dogmatical conclusions, drawn mostly from the least intelligible of his works, and which the character of his mind and writings makes it uncertain whether he himself regarded as anything more than poetic fancies, or philosophic conjectures.