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 mankind with no lights but its own; though people who knew nothing but political economy (and therefore knew that ill) have taken upon themselves to advise, and could only do so by such lights as they had. But the numerous sentimental enemies of political economy, and its still more numerous interested enemies in sentimental guise, have been very successful in gaining belief for this among other unmerited imputations against it, and the “Principles” having, in spite of the freedom of many of its opinions, become for the present the most popular treatise on the subject, has helped to disarm the enemies of so important a study. The amount of its worth as an exposition of the science, and the value of the different applications which it suggests, others of course must judge.

For a considerable time after this, I published no work of magnitude; though I still occasionally wrote in periodicals, and my correspondence (much of it with persons quite unknown to me), on subjects of public interest, swelled to a considerable bulk. During these years I wrote or commenced various Essays, for eventual publication, on some of the fundamental questions of human and social life, with regard to several of which I have already much exceeded the severity of the Horatian precept. I continued to watch with keen interest the progress of public events. But it was not, on the whole,