Yet many glorious efforts, and even artificial inventions, have been contrived to assist and save its moral and literary existence in that perpetual race which genius holds with time. We trace its triumph in the studious days of such men as GIBBON, Sir WILLIAM JONES, and PRIESTLEY. An invention by which the moral qualities and the acquisitions of the literary character were combined and advanced together, is what Sir WILLIAM JONES ingeniously calls his "Andrometer." In that scale of human attainments and enjoyments which ought to accompany the eras of human life, it reminds us of what was to be learned, and what to be practised, assigning to stated periods their appropriate pursuits. An occasional recurrence, even to so fanciful a standard, would be like looking on a clock to remind the student how he loiters, or how he advances in the great day's work. Such romantic plans have been often invented by the ardour of genius. There was no communication between Sir WILLIAM JONES and Dr. FRANKLIN; yet, when young, the self-taught philosopher of America pursued the same genial and generous devotion to his own moral and literary excellence.

"It was about this time I conceived," says Franklin, "the bold and arduous project of arriving at moral perfection," &c. He began a daily journal, in which against thirteen virtues accompanied by seven columns to mark the days of the week, he dotted down what he considered to be his failures; he found himself fuller of faults than he had imagined, but at length his blots diminished. This self-examination, or this "Faultbook," as Lord Shaftesbury would have called it, was always carried about him. These books still exist. An additional contrivance was that of journalising his twenty-four hours, of which he has furnished us both with descriptions and specimens of the method; and he closes with a solemn assurance, that "It may be well my posterity should be informed, that to this little artifice their ancestor owes the constant felicity of his life." Thus we see the fancy of Jones and the sense of Franklin, unconnected either by character or communication, but acted on by the same glorious feeling to create their own moral and literary character, inventing similar although extraordinary methods.

The memorials of Gibbon and Priestley present us with the experience and the habits of the literary character. "What I have known," says Dr. Priestley, "with respect to myself, has tended much to lessen both my admiration and my contempt of others. Could we have entered into the mind of Sir Isaac Newton, and have traced all the steps by which he produced his great works, we might see nothing very extraordinary in the process." Our student, with an ingenuous simplicity, opens to us that "variety of mechanical expedients by which he secured and arranged his thoughts," and that discipline of the mind, by means of a peculiar arrangement of his studies for the day and for the year, in which he rivalled the calm and unalterable system pursued by Gibbon, Buffon, and Voltaire, who often only combined the knowledge they obtained by humble methods. They knew what to ask for; and where what is wanted may be found: they made use of an intelligent secretary; aware, as Lord Bacon has expressed it, that some books "may be read by deputy."

Buffon laid down an excellent rule to obtain originality, when he advised the writer first to exhaust his own thoughts, before he attempted to consult other writers; and Gibbon, the most experienced reader of all our writers, offers the same important advice to an author. When engaged on a particular subject, he tells us, "I suspended my perusal of any new book on the subject, till I had reviewed all that I knew, or believed, or had thought on it, that I might be qualified to discern how much the authors added to my original stock." The advice of Lord Bacon, that we should pursue our studies in whatever disposition the mind may be, is excellent. If happily disposed, we shall gain a great step; and if indisposed, we "shall work out the knots and strands of the mind, and make the middle times the more pleasant." Some active lives have passed away in incessant competition, like those of Mozart, Cicero, and Voltaire, who were restless, perhaps unhappy, when their genius was quiescent. To such minds the constant zeal they bring to their labour supplies the absence of that inspiration which cannot always be the same, nor always at its height.

Industry is the feature by which the ancients so frequently describe an eminent character; such phrases as "incredibili industria; diligentia singulars" are usual. We of these days cannot conceive the industry of Cicero; but he has himself told us that he suffered no moments of his leisure to escape from him. Not only his spare hours were consecrated to his books; but even on days of business he would take a few turns in his walk, to meditate or to dictate; many of his letters are dated before daylight, some from the senate, at his meals, and amid his morning levées. The dawn of day was the summons of study to Sir William Jones. John Hunter, who was constantly engaged in the search and consideration of new facts, described what was passing in his mind by a remarkable illustration:—he said to Abernethy, "My mind is like a bee-hive." A simile which was singularly correct; "for," observes Abernethy, "in the midst of buzz and apparent confusion there was great order, regularity of structure, and abundant food, collected with incessant industry from the choicest stores of nature." Thus one man of genius is the ablest commentator on the thoughts and feelings of another. When we reflect on the magnitude of the labours of Cicero and the elder Pliny, on those of Erasmus, Petrarch, Baronius, Lord Bacon, Usher, and Bayle, we seem at the base of these monuments of study, we seem scarcely awake to admire. These were the laborious instructors of mankind; their age has closed.

Yet let not those other artists of the mind, who work in the airy looms of fancy and wit, imagine that they are weaving their webs, without the direction of a principle, and without a secret habit which they have acquired, and which some have imagined, by its quickness and facility, to be an instinct. "Habit," says Reid, "differs from instinct, not in its nature, but in its origin; the last being natural, the first acquired." What we are accustomed to do, gives a facility and proneness to do on like occasions; and there may be even an art, unperceived by themselves, in opening and pursuing a scene of pure invention, and even in the happiest turns of wit. One who had all the experience of such an artist has employed the very terms we have used, of "mechanical" and "habitual." "Be assured," says Goldsmith, "that wit is in some measure mechanical; and that a man long habituated to catch at even its resemblance, will at last be happy enough to possess the substance. By a long habit of writing he acquires a justness of thinking, and a mastery of manner which holiday writers, even with ten times his genius, may vainly attempt to equal." The wit of BUTLER was not extemporaneous, but painfully elaborated from notes which he incessantly accumulated; and the familiar rime of BERNT, the burlesque poet, his existing manuscripts will prove, were produced by perpetual re-touches. Even in the sublime efforts of imagination, this art of meditation may be practised; and ALFIERI has shown us, that in those energetic tragic dramas which were often produced in a state of enthusiasm, he pursued a regulated process. "All my tragedies have been composed three times;" and he describes the three stages of conception, development, and versifying. "After these three operations, I proceed, like other authors, to publish, correct, or amend."

"All is habit in mankind, even virtue itself!" exclaimed METASTASIO; and we may add, even the meditations of genius. Some of its boldest conceptions, are indeed fortuitous, starting up and vanishing almost in the perception; like that giant form, sometimes seen amidst the glaciers, afar from the opposite traveller, moving as he moves, stopping as he stops, yet, in a moment lost, and perhaps never more seen, although but his own reflection! Often in the still obscurity of the night, the ideas, the studies, the whole history of the day, is acted over again. There are probably few mathematicians who have not dreamed of an interesting problem, observes Professor Dugald Stewart. In these vivid scenes we are often so completely converted into spectators, that a great poetical contemporary of our country thinks that even his dreams should not pass away unnoticed, and keeps what he calls a register of nocturnals. TASSO has recorded some of his poetical dreams, which were often disturbed by waking himself in repeating a verse aloud. "This night I awaked with this verse in my mouth—

"E i duo che manda il nero adusto suolo. The two, the dark and burning soil has sent."

He discovered that the epithet black was not suitable; "I again fell asleep, and in a dream I read in Strabo that the sand of Ethiopia and Arabia is extremely white, and this morning I have found the place. You see what learned dreams I have."

But incidents of this nature are not peculiar to this great bard. The improvvisatori poets, we are told, cannot sleep after an evening's effusion; the rhymes are still ringing in their ears, and imagination, if they have any, will still haunt them. Their previous state of excitement breaks into the calm of sleep; for, like the ocean, when its swell is subsiding, the waves still heave and beat. A poet, whether a Milton or a Blackmore, will ever find that his muse will visit his "slumbers nightly." His fate is much harder than that of the great minister, Sir Robert Walpole, who on retiring to rest could throw aside his political intrigues with his clothes; but Sir Robert, to judge by his portrait and anecdotes of him, had a sleekiness and good-humour, and an unalterable equanimity of countenance, not the portion of men of genius: indeed one of these has regretted that his sleep was so profound as not to be interrupted by dreams; from a throng of fantastic ideas he imagined that he could have drawn new sources of poetic imagery. The historian DE THOU was one of those great literary characters who, all his life, was preparing to write the history which he afterwards composed; omitting nothing in his travels and his embassies, which went to the formation of a great man. DE THOU has given a very curious account of his dreams. Such was his passion for study, and his ardent admiration of the great men whom he conversed with, that he often imagined in his sleep that he was travelling in Italy, Germany, and in England, where he saw and consulted the learned, and examined their curious libraries. He had all his lifetime these literary dreams, but more particularly in his travels they reflected these images of the day.