doubtless drew from me, as it did from other sources, many of its materials. What I owe, even intellectually, to her, is in its detail, almost infinite; of its general character a few words will give some, though a very imperfect, idea.
With those who, like all the best and wisest of mankind, are dissatisfied with human life as it is, and whose feelings are wholly identified with its radical amendment, there are two main regions of thought. One is the region of ultimate aims; the constituent elements of the highest realizable ideal of human life. The other is that of the immediately useful and practically attainable. In both these departments, I have acquired more from her teaching, than from all other sources taken together. And, to say truth, it is in these two extremes principally, that real certainty lies. My own strength lay wholly in the uncertain and slippery intermediate region, that of theory, or moral and political science: respecting the conclusions of which, in any of the forms in which I have received or originated them, whether as political economy, analytic psychology, logic, philosophy of history, or anything else, it is not the least of my intellectual obligations to her that I have derived from her a wise scepticism, which, while it has not hindered me from following out the honest exercise of my thinking faculties to whatever conclusions might result from it, has put me on my guard against holding or announcing these
