Those of the second class are always better in theory than in practice; for with them zeal ever runs before knowledge. They will delight in telling how a thing should be done, but will find it very difficult to do it themselves. A blacksmith of this class will tell with great exactness how a horse should be shod, but if trusted to perform that office, ten to one the poor animal will go limping from his hands. So a carpenter of the same class will be full of plans and fancies that he will wish to carry out for the benefit of his employers; but his work, when completed, though perhaps elegant and ornamental, will probably be inappropriate in appearance, and not adapted to the use for which it was intended. From this class come inventors of machines that are never heard of after they get into the patent-office, schemers and speculators whose plans end in ruin, boon companions, brilliant talkers, sparkling orators, elegant and ornate poets who sing blithely for their own day and generation, preachers and statesmen who are ever led away by Utopian and millennial dreams; in short, men who may shine while they live, but are seldom remembered when they die. The third class are men of mark in whatever walk of life they are found; --men to be relied upon for whatever they may undertake. They are men who can produce in Life what their Understandings know and imagine; or, rather, who know how to select from their stores of Thought and Imagination whatever may be realized in Life. If they are mechanics, their work is the best of its kind, and precisely adapted to the use for which it was intended; if they are machinists, their inventions are those that ameliorate the condition of society; if merchants or speculators, they do not run after bubbles; if devoted to intellectual pursuits, they are divines whose thoughts thrill the souls of men for centuries, founders of new schools of philosophy, lawgivers, and statesmen who are remembered with gratitude as the fathers of nations, poets whose words are destined to live so long as the language in which they write is spoken,--nay, who shall cause their language to be studied ages after all who spoke it have passed from the face of the earth.