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The Wave Theory of Light
Sir William Thomson (Lord Kelvin)

The Principia Mathematica online (University of Michigan Historical Math Collection):

Volume I

Volume II

Volume III

The Life of Isaac Newton

 

As this is the only Life of Sir Isaac Newton on any considerable scale that has yet appeared, I have experienced great difficulty in preparing it for the public. The materials collected by preceding biographers were extremely scanty; the particulars of his early life, and even the historical details of his discoveries, have been less perfectly preserved than those of his illustrious predecessors; and it is not creditable to his disciples that they have allowed a whole century to elapse without any suitable record of the life and labours of a master who united every claim to their affection and gratitude.

 

In drawing up this volume, I have obtained much assistance from the account of Sir Isaac Newton in the Biographia Britannica; from the letters to Oldenburg, and other papers in Bishop Horsley's edition of his works; from Turnor's Collections for the History of the Town and Soke of Grantham; from M. Biot's excellent Life of Newton in the Biographie Universelle; and from Lord King's Life and Correspondence of Locke.

 

Although these works contain much important information respecting the Life of Newton, yet I have been so fortunate as to obtain many new materials of considerable value. To the kindness of Lord Braybrooke I have been indebted for the interesting correspondence of Newton, Mr. Pepys, and Mr. Millington, which is now published for the first time, and which throws much light upon an event in the life of our author that has recently acquired an unexpected and a painful importance. These letters, when combined with those which passed between Newton and Locke, and with a curious extract from the manuscript diary of Mr. Abraham Pryme, kindly furnished to me by his collateral descendant Professor Pryme of Cambridge, fill up a blank in his history, and have enabled me to delineate in its true character that temporary indisposition which, from the view that has been taken of it by foreign philosophers, has been the occasion of such deep distress to the friends of science and religion.

 

To Professor Whewell, of Cambridge, I owe very great obligations for much valuable information. Professor Rigaud, of Oxford, to whose kindness I have on many other occasions been indebted, supplied me with several important facts, and with extracts from the diary of Hearne in the Bodleian Library, and from the original correspondence between Newton and Flamstead, which the president of Corpus Christi College had for this purpose committed to his care; and Dr. J. C. Gregory, of Edinburgh, the descendant of the illustrious  inventor of the reflecting telescope, allowed me to use his unpublished account of an autograph manuscript of Sir Isaac Newton, which was found among the papers of David Gregory, Savilian Professor of Astronomy at Oxford, and which throws some light on the history of the Principia. I have been indebted to many other friends for the communication of books and facts, but especially to Sir William Hamilton, Bart., whose liberality in promoting literary inquiry is not limited to the circle of his friends.

 

D. B.

Allerly, June 1st, 1831.

The Ode Dedicated to Newton by Edmund Halley

Lo, for your gaze, the pattern of the skies!

What balance of the mass, what reckonings

Divine! Here ponder too the Laws which God,

Framing the universe, set not aside

But made the fixed foundations of his work.

 

The inmost places of the heavens, now gained,

Break into view, nor longer hidden is

The force that turns the farthest orb. The sun

Exalted on his throne bids all things tend

Toward him by inclination and descent,

Nor suffers that the courses of the stars

Be straight, as through the boundless void they move,

But with himself as centre speeds them on

in motionless ellipses. Now we know

The sharply veering ways of comets, once

A source of dread, nor longer do we quail

Beneath appearances of bearded stars.

 

At last we learn wherefore the silver moon

Once seemed to travel with unequal steps,

As if she scorned to suit her pace to numbers

Till now made clear to no astronomer;

Why, though the Seasons go and then return,

The Hours move ever forward on their way;

Explained too are the forces of the deep,

How roaming Cynthia bestirs the tides,

Whereby the surf, deserting now the kelp

Along the shore, exposes shoals of sand

Suspected by the sailors, now in turn

Driving its billows high upon the beach.

 

Matters that vexed the minds of ancient seers,

And for our learned doctors often led

To loud and vain contention, now are seen

Dispelled at last by science. Those on whom

Delusion cast its gloomy pall of doubt,

Upborne now on the wings that genius lends,

May penetrate the mansions of the gods

And scale the heights of heaven. 0 mortal men,

Arise! And, casting of your earthly cares,

Learn ye the potency of heaven-born mind,

Its thought and life far from the herd withdrawn!

 

The man who through the tables of the laws

Once banished theft and murder, who suppressed

Adultery and crimes of broken faith,

And put the roving peoples into cities

Girt round with walls, was founder of the state,

While he who blessed the race with Ceres' gift,

Who pressed from grapes an anodyne to care,

Or showed how on the tissue made from reeds

Growing beside the Nile one may inscribe

Symbols of sound and so present the voice

For sight to grasp, did lighten human lot,

Offsetting thus the miseries of life

With some felicity. But now, behold,

Admitted to the banquets of the gods,

We contemplate the polities of heaven;

And spelling out the secrets of the earth,

Discern the changeless order of the world

And all the aeons of its history.

 

Then ye who now on heavenly nectar fare

Come celebrate with me in song the name

Of Newton, to the Muses dear; for he

Unlocked the hidden treasuries of Truth:

So richly through his mind had Phoebus cast

The radiance of his own divinity.

 

Nearer the gods no mortal may approach.

 

 

TO THE ILLUSTRIOUS MAN  ISAAC NEWTON AND THIS HIS WORK

DONE IN FIELDS OF THE MATHEMATICS AND PHYSICS

A SIGNAL DISTINCTION OF OUR TIME AND RACE