These are not degenerate days.We have still strong thinkers amongstus; men of untiring perseverance, whoflinch before no difficulties, who neverhide the knot which their readers areonly too willing that they should letalone; men who dare write what theninety-nine out of every hundred willpronounce a dry book; who pledgethemselves, not to the public, but totheir subject, and will not desert ittill their task is completed. One ofthis order is Mr John Stuart Mill.The work he has now presented tothe public, we deem to be, after itskind, of the very highest character,every where displaying powers ofclear, patient, indefatigable thinking.Abstract enough it must be allowedto be, calling for an unremitted attention,and yielding but little, evenin the shape of illustration, of lighterand more amusing matter; he hastaken no pains to bestow upon it anyother interest than what searchingthought and lucid views, aptly expressed,ought of themselves to create.His subject, indeed—the laws bywhich human belief and the inquisitionof truth are to be governed anddirected—is both of that extensiveand fundamental character, that itwould be treated with success onlyby one who knew how to resist thetemptations to digress, as well as howto apply himself with vigour to thesolution of the various questions thatmust rise before him.
"This book," the author says in hispreface, "makes no pretence of givingto the world a new theory of our intellectualoperations. Its claim to