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time I should have least expected it) in the Universities, the fact becomes partially intelligible. I have never indulged the illusion that the book had made any considerable impression on philosophical opinion. The German, or à priori view of human knowledge, and of the knowing faculties, is likely for some time longer (though it may be hoped in a diminishing degree) to predominate among those who occupy themselves with such inquiries, both here and on the Continent. But the “System of Logic” supplies what was much wanted, a text-book of the opposite doctrine—that which derives all knowledge from experience, and all moral and intellectual qualities principally from the direction given to the associations. I make as humble an estimate as anybody of what either an analysis of logical processes, or any possible canons of evidence, can do by themselves, towards guiding or rectifying the operations of the understanding. Combined with other requisites, I certainly do think them of great use; but whatever may be the practical value of a true philosophy of these matters, it is hardly possible to exaggerate the mischiefs of a false one. The notion that truths external to the mind may be known by intuition or consciousness, independently of observation and experience, is, I am persuaded, in these times, the great intellectual support of false doctrines and bad institutions. By the aid of this