When the correlation of the sciences was announced by Oersted and his colleagues, it was no surprise; we were found already prepared for it. The fact stated accorded with the auguries or divinations of the human mind. Thus, if we should analyze Newton's discovery, we should say that if it had not been anticipated by him, it would not have been found. We are told that, in posting his books, after the French had measured on the earth a degree of the meridian, when he saw that his theoretic results were approximating that empirical one, his hand shook, the figures danced, and he was so agitated that he was forced to call in an assistant to finish the computation. Why agitated?—but because, when he saw, in the fall of an apple to the ground, the fall of the earth to the sun, of the sun and of all suns to the centre, that perception was accompanied by the spasm of delight by which the intellect greets a fact more immense still, a fact really universal,—holding in intellect as in matter, in morals as in intellect,—that atom draws to atom throughout nature, and truth to truth throughout spirit? His law was only a particular of the more universal law of centrality. Every law in nature, as gravity, centripetence, repulsion, polarity, undulation, has a counterpart in the intellect. The laws above are sisters of the laws below. Shall we study the mathematics of the sphere, and not its causal essence also? Nature is a fable, whose moral blazes through it. There is no use in Copernicus, if the robust periodicity of the solar system does not show its equal perfection in the mental sphere,—the periodicity, the compensatory errors, the grand reactions. I shall never believe that centrifugence and centripetence balance, unless mind heats and meliorates, as well as the surface and soil of the globe.

On this power, this all-dissolving unity, the emphasis of heaven and earth is laid. Nature is brute but as this soul quickens it; Nature always the effect, mind the flowing cause. Nature, we find, is ever as is our sensibility; it is hostile to ignorance;—plastic, transparent, delightful, to knowledge. Mind carries the law; history is the slow and atomic unfolding. All things admit of this extended sense, and the universe at last is only prophetic, or, shall we say, symptomatic, of vaster interpretation and results. Nature an enormous system, but in mass and in particle curiously available to the humblest need of the little creature that walks on the earth! The immeasurableness of Nature is not more astounding than his power to gather all her omnipotence into a manageable rod or wedge, bringing it to a hair-point for the eye and hand of the philosopher.

Here stretches out of sight, out of conception even, this vast Nature, daunting, bewildering, but all penetrable, all self-similar,—an unbroken unity,—and the mind of man is a key to the whole. He finds that the universe, as Newton said, "was made at one cast"; the mass is like the atom,—the same chemistry, gravity, and conditions. The asteroids are the chips of an old star, and a meteoric stone is a chip of an asteroid. As language is in the alphabet, so is entire Nature—the play of all its laws—in one atom. The good wit finds the law from a single observation,—the law, and its limitations, and its correspondences,—as the farmer finds his cattle by a footprint. "State the sun, and you state the planets, and conversely."

Whilst its power is offered to his hand, its laws to his science, not less its beauty speaks to his taste, imagination, and sentiment. Nature is sanative, refining, elevating. How cunningly she hides every wrinkle of her inconceivable antiquity under roses, and violets, and morning dew! Every inch of the mountains is scarred by unimaginable convulsions, yet the new day is purple with the bloom of youth and love. Look out into the July night, and see the broad belt of silver flame which flashes up the half of heaven, fresh and delicate as the bonfires of the meadow-flies. Yet the powers of numbers cannot compute its enormous age,—lasting as space and time,—embosomed in time and space. And time and space,—what are they? Our first problems, which we ponder all our lives through, and leave where we found them; whose outrunning immensity, the old Greeks believed, astonished the gods themselves; of whose dizzy vastitudes all the worlds of God are a mere dot on the margin; impossible to deny, impossible to believe. Yet the moral element in man counterpoises this dismaying immensity, and bereaves it of terror. The highest flight to which the muse of Horace ascended was in that triplet of lines in which he described the souls which can calmly confront the sublimity of nature:—

"Hunc solem, et stellas, et decedentia certis

Tempora momentis, sunt qui formidine nulla

Imbuti spectant."

The sublime point of experience is the value of a sufficient man. Cube this value by the meeting of two such,—of two or more such,—who understand and support each other, and you have organized victory. At any time, it only needs the contemporaneous appearance of a few superior and attractive men to give a new and noble turn to the public mind.

The benefactors we have indicated were exceptional men, and great because exceptional. The question which the present age urges with increasing emphasis, day by day, is, whether the high qualities which distinguished them can be imparted? The poet Wordsworth asked, "What one is, why may not millions be?" Why not? Knowledge exists to be imparted. Curiosity is lying in wait for every secret. The inquisitiveness of the child to hear runs to meet the eagerness of the parent to explain. The air does not rush to fill a vacuum with such speed as the mind to catch the expected fact. Every artist was first an amateur. The ear outgrows the tongue, is sooner ripe and perfect; but the tongue is always learning to say what the ear has taught it, and the hand obeys the same lesson.

There is anything but humiliation in the homage men pay to a great man; it is sympathy, love of the same things, effort to reach them,—the expression of their hope of what they shall become, when the obstructions of their mal-formation and mal-education shall be trained away. Great men shall not impoverish, but enrich us. Great men,—the age goes on their credit; but all the rest, when their wires are continued, and not cut, can do as signal things, and in new parts of nature. "No angel in his heart acknowledges any one superior to himself but the Lord alone." There is not a person here present to whom omens that should astonish have not predicted his future, have not uncovered his past. The dreams of the night supplement by their divination the imperfect experiments of the day. Every soliciting instinct is only a hint of a coming fact, as the air and water that hang invisibly around us hasten to become solid in the oak and the animal. But the recurrence to high sources is rare. In our daily intercourse, we go with the crowd, lend ourselves to low fears and hopes, become the victims of our own arts and implements, and disuse our resort to the Divine oracle. It is only in the sleep of the soul that we help ourselves by so many ingenious crutches and machineries. What is the use of telegraphs? What of newspapers? To know in each social crisis how men feel in Kansas, in California, the wise man waits for no mails, reads no telegrams. He asks his own heart. If they are made as he is, if they breathe the like air, eat of the same wheat, have wives and children, he knows that their joy or resentment rises to the same point as his own. The inviolate soul is in perpetual telegraphic communication with the Source of events, has earlier information, a private despatch, which relieves him of the terror which presses on the rest of the community.