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 aversions capable of lasting undiminished to the end of life. But there must always be something artificial and casual in associations thus produced. The pains and pleasures thus forcibly associated with things, are not connected with them by any natural tie; and it is therefore, I thought, essential to the durability of these associations, that they should have become so intense and inveterate as to be practically indissoluble, before the habitual exercise of the power of analysis had commenced. For I now saw, or thought I saw, what I had always before received with incredulity—that the habit of analysis has a tendency to wear away the feelings: as indeed it has, when no other mental habit is cultivated, and the analysing spirit remains without its natural complements and correctives. The very excellence of analysis (I argued) is that it tends to weaken and undermine whatever is the result of prejudice; that it enables us mentally to separate ideas which have only casually clung together: and no associations whatever could ultimately resist this dissolving force, were it not that we owe to analysis our clearest knowledge of the permanent sequences in nature; the real connexions between Things, not dependent on our will and feelings; natural laws, by virtue of which, in many cases, one thing is inseparable from another in fact; which laws, in proportion as they are clearly perceived and imaginatively realized, cause