With his 'PREROGATIVE INSTANCES,' he will build height after height, the solid, but imperceptible stair-way to his summit of knowledges, so that men shall tread its utmost floors without knowing what heights they are—even as they tread great nature's own solidities, without inquiring her secret.

The shrewd unlearned man of practice shall take that great book of nature, that illustrated digest of it, on his knees, to while away his idle hours with, in rich pastime, and smile to see there, all written out, that which he faintly knew, and never knew that he knew before; he will find there in sharp points, in accumulations, and percussions, that which his own experience has at length wearily, dimly, worked and worn into him. It is his own experience, exalted indeed, and glorified, but it is that which beckons him on to that which is yet beyond it; he shall read on, and smile, and laugh, and weep, and wonder at the power; but never dream that it is science, the new science—the science of nature—the product of the new organum of it applied to human nature, and human life. The abstract statement of that which the concrete exhibition veils, is indeed always there, though it lie never so close, in never so snug a corner; but it is there so artistically environed, that the reader who is not ready for it, who has not learned to disengage the principle from the instance, who has had no hint of an illustrated tradition in it, will never see it; or if he sees it, he will think it is there by accident, or inspiration, and pass on.

Here, in this open treatise upon the art of delivering and teaching of knowledge, the author lays down, in the most impressive terms, the necessity of a style which shall serve as a veil of tradition, imperceptible or impenetrable to the uninitiated, and admitting 'only such as have by the help of a master, attained to the interpretation of dark sayings, or are able by their own genius to enter within the veil'; and after having distributed under many heads, the secret of this method of scientific communication, he asserts distinctly that there is no other mode of dealing with the popular belief and preconception, but the one just described—that same method which the teachers of the people have always instinctively adopted, whenever that which was new and contrary to the received doctrines, was to be communicated. 'For a man of judgment,' he says, 'must, of course, perceive, that there should be a difference in the teaching and delivery of knowledge, according to the presuppositions, which he finds infused and impressed upon the mind of the learner. For that which is new and foreign from opinions received, is to be delivered in ANOTHER FORM, from that which is agreeable and familiar. And, therefore, Aristotle, when he says to Democritus, "if we shall indeed dispute and not follow after similitudes," as if he would tax Democritus with being too full of comparisons, where he thought to reprove, really commended him.' There is no use in disputing in such a case, he thinks. 'For those whose doctrines are already seated in popular opinion, have only to dispute or prove; but those whose doctrines are beyond the popular opinions, have a double labour; the one to make themselves conceived, and the other to prove and demonstrate; so that it is of necessity with them to have recourse to similitudes AND TRANSLATIONS to express themselves. And, therefore, in the infancy of learning, and in rude times, when those conceptions which are now trivial, were then new, the world was full of parables and similitudes, for else would men either have passed over without mark, or else REJECTED FOR PARADOXES, that which was offered before they had understood or judged. So in divine learning, we see how frequent parables and tropes are, for it is a rule in the doctrine of delivery, that every science which is not consonant with presuppositions and prejudices, must pray in aid of similes and allusions.'

The true master of the art of teaching will vary his method too, he tells us according to the subject which he handles,—and the reader should note particularly the illustration of this position, the instance of this general necessity, which the author selects for the sake of pointing his meaning here, for it is here—precisely here—that we begin to touch the heart of that new method which the new science itself prescribed,—'the true teacher will vary his method according to the subject which he handles,' for there is a great difference in the delivery of mathematics, which are the most abstracted of sciences, and POLICY, which is the most immersed, and the opinion that 'uniformity of method, in multiformity of matter, is necessary,' has proved very hurtful to learning, for it tends to reduce learning to certain empty and barren—note it,—barren— 'generalities;'—(so important is the method as that; that it makes the difference between the fruitful and the barren, between the old and the new) 'being but the very husks and shells of sciences, all the kernel being forced out and expressed with the torture and press of the method; and, therefore, as I did allow well of particular topics for invention'—therefore—his science requires him to go into particulars, and as the necessary consequence of that, it requires freedom—'therefore'—as I did allow well of particular topics of invention, 'so do I allow likewise of particular methods of tradition.' Elsewhere,—in his Novum Organum—he quotes the scientific outlines and divisions of this very book, he quotes the very draught and outline of the new human science, which is the principal thing in it, and tells us plainly that he is perfectly aware that those new divisions, those essential differences, those true and radical forms in nature, which he has introduced here, in his doctrine of human nature, will have no practical effect at all, as they are exhibited here; because they are exhibited in this method which he is here criticising, that is, in empty and barren abstractions,— because it was impossible for him to produce here anything but the husks and shells of that principal science, all the kernel being forced out and expulsed with the torture and press of the method. But, at the same time, he gives us to understand, that these same shells and husks may be found in another place, with the kernels and nuts in them, and that he has not taken so much pains to let us see in so many places, what new forms of delivery the new philosophy will require, merely for the sake of letting us see, at the same time, that when it came to practice, he himself stood by the old ones, and contented himself with barren abstractions, and generalities, the husks and shells of sciences, instead of aiming at particulars, and availing himself of these 'particular methods of tradition.'

He takes also this occasion to recommend a method which was found extremely serviceable at that time; namely, the method of teaching by aphorism, 'without any show of an art or method; not merely because it tries the author, since aphorisms being made out of the pith and heart of sciences, no man can write them who is not sound and grounded,' who has not a system with its trunk and root, though he makes no show of it, but buries it and shows you here and there the points on the surface that are apt to look as if they had some underlying connection—not only because it tries the author, but because they point to action; for particulars being dispersed, do best agree with dispersed directions; and, moreover, aphorisms representing a BROKEN KNOWLEDGE, invite men to inquire farther, whereas methods, carrying the show of a total, do secure men as if they were at farthest, and it is the advancement of learning that he is proposing.

He suggests again, distinctly here, the rule he so often claims he has himself put in practice, elsewhere, that the use of CONFUTATION in the delivery of science, ought to be very sparing; and to serve to remove strong preoccupations and prejudgments, and not to minister and excite disputations and doubts. For he says in another place, 'As Alexander Borgia was wont to say of the expedition of the French for Naples, that they came with chalk in their hands, to mark up their lodgings, and not with weapons to fight, so I like better that entry of truth which cometh peaceably, with chalk to mark up those minds, which are capable to lodge and harbour it, than that which cometh with pugnacity and contention.'

He alludes here too, in passing, to some other distinctions of method, which are already received, that of ANALYSIS and synthesis, or CONSTITUTION, that of concealment, or CRYPTIC, which he says 'he allows well of, though he has himself stood upon those which are least handled and observed.' He brings out his doctrine of the necessity of a method which shall include particulars for practical purposes also, under another head: here it is the limit of rules,—the propositions or precepts of arts that he speaks of, and the degree of particularity which these precepts ought to descend to. 'For every knowledge,' he says, 'may be fitly said to have a latitude and longitude, accounting the latitude towards other sciences' (for there are rules and propositions of such latitude as to include all arts, all sciences)—'and the longitude towards action, that is, from the greatest generality, to the most particular precept: and as to the degree of particularity to which a knowledge should descend,' though something must, of course, be left in all departments to the discretion of the practitioner, he thinks it is a question which will bear looking into in a general way; and that it might be possible to have rules in all departments, which would limit very much the necessity of individual experiment, and not leave us so much at the mercy of individual discretion in the most serious matters. Philosophy, as he finds it, does not appear to be very helpful to practice, on account of its keeping to those general propositions, so much, as well as on some other accounts, and has fallen into bad repute, it seems, among men who find it necessary to make, without science, as they best can, rules of some sort;—rules that are capable of dealing with that quality in particulars which is apt to be called obstinacy in this aspect of it. 'For we see remote and superficial generalities do but offer knowledge to scorn of practical men, and are no more aiding to practice, than an Ortelius's universal map is to direct the way between London and York.' And what is this itself but a universal map, this map of the advancement of learning?

All this doctrine of the tradition of sciences, he produces under the head of the method of their tradition, but in speaking of the organ of it, he treats it exclusively as the medium of tradition for those sciences which require CONCEALMENT, or admit only of a suggestive exhibition. And as he makes, too, the claim that he has himself given practical proof, in passing, of his proficiency in this art, and appeals to the skilful for the truth of this statement, the passage, at least, in which this assertion is made, will be likely to repay the inquiry which it invites.

He begins by drawing our attention to the fact, that words are not the only representatives of things, and he says 'this is not an inconsiderable thing, for while we are treating of the coin of intellectual matters, it is pertinent to observe, that as money may be made of other materials besides gold and silver, so other marks of things may be invented besides words and letters.' And by way of illustrating the advantages of such a means of tradition, under certain disadvantages of position, he adduces as much in point, the case of Periander, who being consulted how to preserve a tyranny newly usurped, bid the messenger attend and report what he saw him do, and went into his garden and topped all the highest flowers; signifying that it consisted in the cutting off and keeping low of the nobility and grandees. And thus other apparently trivial, purely purposeless and sportive actions, might have a traditionary character of no small consequence, if the messenger were only given to understand beforehand, that the acts thus performed were axiomatical, pointing to rules of practice, that the forms were representative forms, whose 'real' exhibition of the particular natures in question, was much more vivid and effective, much more memorable as well as safe, than any abstract statement of that philosophic truth, which is the truth of direction, could be.

As to the 'accidents of words, which are measure, sound, and elevation of accent, and the sweetness and harshness of them,' even here the new science suggests a new rule, which is not without a remarkable relation to that 'particular method of tradition,' which the author tells us in another place, some parts of his new science required. 'This subject,' he says, 'involves some curious observations in rhetoric, but chiefly POESY, as we consider it in respect of the verse, and not of the argument; wherein, though men in learned tongues do tie themselves to the ancient measures, yet in modern languages it seemeth to me as free to make new measures of verses as of dances.' The spirit of the new philosophy had a chance to speak out there for once, without intending, of course, to transcend that particular limit just laid down, namely, the measure of verses, and with that literal limitation, to the form of the verse, the remark is sufficiently suggestive; for he brings out from it at the next step, in the way of formula, the new principle, the new Shaksperian principle of rhetoric: In these things the sense is better judge than the art. And of the servile expressing antiquity in an unlike and an unfit subject, it is well said:—'Quod tempore antiquum videtur, id incongruitate est maxime novum.''