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all fear of his indiscretion. I carefully noted every conversation of this nature as soon as it occurred, but these notes will never leave my writing-case; I had rather injure the success of my statements than add my name to the list of those strangers who repay the generous hospitality they have received by subsequent chagrin and annoyance.
I am aware that, notwithstanding my care, nothing will be easier than to criticise this book, if any one ever chooses to criticise it.
Those readers who may examine it closely will discover the fundamental idea which connects the several parts together. But the diversity of the subjects I have had to treat is exceedingly great, and it will not be difficult to oppose an isolated fact to the body of facts which I quote, or an isolated idea to the body of ideas I put forth. I hope to be read in the spirit which has guided my labours, and that my book may be judged by the general impression it leaves, as I have formed my own judgement not on any single reason, but upon the mass of evidence.
It must not be forgotten that the author who wishes to be understood is obliged to push all his ideas to their utmost theoretical consequences, and often to the verge of what is false or impracticable; for if it be necessary sometimes to quit the rules of
