he knows every human weakness and its sure decoy." It is this latter clause that is relevant to his theme. Poets in earlier ages wrote epics and dramas, they celebrated the strength and nobility of men; but the poet
of the modern world "cleverly builds on the frailties of mankind." Of these the chief is "the inability to throw away an element of value, even though it cannot be utilised." On this great principle is constructed the whole art and science of advertisement. And my author proceeds to give a series of illustrations, "each of which is an actual fact, either in my experience, or of which I have been cognisant." Space and copyright forbid me to quote. I must refer the reader to the original source. Nowhere else will be found so lucid an expression of the whole theory and practice of modern trade. That theory and practice is being taught in schools of commerce throughout the Union; and there are many, I suppose, who would like to see it taugh
