XLV PREFACE. The powers of mind,” says the same writer, “ displayed in these investigations — the dexterity with which the most abstruse and difficult questions are unravelled — the unerring sagacity with which the operation of general and fixed principles is investigated — the skill with which they are separated and disentangled from such as are of a secondary and accidental nature—and the penetration with which their remotest consequences are perceived and estimated — have never been surpassed; and will for ever secure the name of Ricardo a high and conspicuous place in the list of those, who have done most to unfold the complex mechanism of society, and to carry this science to perfection.” Conceding that Mr. Ricardo has displayed considerable originality and power of intellect, we may yet be permitted to doubt, whether this splendid eulogium is not far beyond his real deserts. It is not easy to conceive by what process