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April 10, 2026
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"I am afraid I am not in the flight for “aerial navigation”. I was greatly interested in your work with kites; but I have not the smallest molecule of faith in aerial navigation other than ballooning or of expectation of good results from any of the trials we hear of. So you will understand that I would not care to be a member of the aëronautical Society."
"Symmetrical equations are good in their place, but 'vector' is a useless survival, or offshoot from quaternions, and has never been of the slightest use to any creature."
"Mathematics is the only true metaphysics."
"I need scarcely say that the beginning and maintenance of life on earth is absolutely and infinitely beyond the range of sound speculation in dynamical science."
"It is conceivable that animal life might have the attribute of using the heat of surrounding matter, at its natural temperature, as a source of energy for mechanical effect . . . .The influence of animal or vegetable life on matter is infinitely beyond the range of any scientific enquiry hitherto entered on. Its power of directing the motions of moving particles, in the demonstrated daily miracle of our human free-will, and in the growth of generation after generation of plants from a single seed, are infinitely different from any possible result of the fortuitous concurrence of atoms."
"Tesla has contributed more to electrical science than any man up to his time."
"To live among friends is the primary essential of happiness."
"Every boy... should be able by the age of 12 to write his own language with accuracy and some elegance; he should have a reading knowledge of French, and be able to translate Latin and easy Greek authors, and have some acquaintance with German. Having learned thus the meaning of words... a boy should study Logic, so as to be able to apply his words sensibly."
"Now I think hydrodynamics is to be the root of all physical science, and is at present second to none in the beauty of its mathematics."
"It is impossible by means of inanimate material agency, to derive mechanical effect from any portion of matter by cooling it below the temperature of the coldest of the surrounding objects. [Footnote: ] If this axiom be denied for all temperatures, it would have to be admitted that a self-acting machine might be set to work and produce mechanical effect by cooling the sea or earth, with no limit but the total loss of heat from the earth and sea, or in reality, from the whole material world."
"1. There is at present in the material world a universal tendency to the dissipation of mechanical energy. 2. Any restoration of mechanical energy, without more than an equivalent of dissipation, is impossible in inanimate material processes, and is probably never effected by means of organized matter, either endowed with vegetable life or subjected to the will of an animated creature. 3. Within a finite period of time past, the earth must have been, and within a finite period of time to come the earth must again be, unfit for the habitation of man as at present constituted, unless operations have been, or are to be performed, which are impossible under the laws to which the known operations going on at present in the material world are subject."
"If the water flow down by a gradual natural channel, its potential energy is gradually converted into heat by fluid friction, according to an admirable discovery made by Mr Joule of Manchester above twelve years ago, which has led to the greatest reform that physical science has experienced since the days of Newton. From that discovery, it may be concluded with certainty that heat is not matter, but some kind of motion among the particles of matter; a conclusion established, it is true, by Sir Humphrey Davy and Count Rumford at the end of last century, but ignored by even the highest scientific men during a period of more than forty years."
"The beauty and clearness of the dynamical theory, which asserts heat and light to be modes of motion, is at present obscured by two clouds. I. The first came into existence with the undulatory theory of light, and was dealt with by Fresnel and Dr. Thomas Young; it involved the question, how could the earth move through an elastic solid, such as essentially is the luminiferous ether? II. The second is the Maxwell–Boltzmann doctrine regarding the partition of energy."
"There is nothing new to be discovered in physics now. All that remains is more and more precise measurement."
"He was one of the few scientists to be knighted, and the only one in the nineteenth century to be raised to the peerage. These honors, however, were not in recognition of his scientific work but his genius as an engineer in solving the major technical problems of laying the first Atlantic cable and his entrepreneurial success as an instrument designer and manufacturer for the new electrical industries and the Navy. With his success with the Atlantic cable Kelvin became a symbol of science to the general public."
"The man of true Physical instincts, endowed with the great faculty of scientific imagination, possessed for example by Lord Kelvin in a very remarkable degree, is for ever imagining models which shall enable him by their working to represent and depict the course of actual physical processes. The possibility and consistency of such models require Mathematical Analysis for their investigation."
"According to Sir W. Thomson's theory of Vortex Atoms, the substance of which the molecule consists is a uniformly dense plenum, the properties of which are those of a perfect fluid, the molecule itself being nothing but a certain motion impressed on a portion of this fluid, and this motion is shewn, by a theorem due to Helmholtz, to be as indestructible as we believe a portion of matter to be."
"If materialism cannot consistently escape the conclusion of a finite state, which William Thomson has traced out for it, then materialism is thereby refuted."
"Thomson was a mathematical prodigy. At age 16, he mastered ’s ' and wrote and published a defense of it. Fourier’s theory allowed one to determine the distribution of heat in a body on the sole assumption that heat flow is proportional to temperature gradient. The approach was macroscopic, geometrical, and nonhypothetical, and Thomson took to it easily. During his undergraduate years at , he traveled to Paris and met the mathematical savants—in particular, mathematician Joseph Liouville and experimental physicist , who both considered Michael Faraday’s curved lines of force outré. At Liouville’s urging, Thomson produced for the ' a demonstration that the lines of force, whether electric or magnetic, followed from inverse square laws. The relevant mathematics was a near cousin to that for heat flow, but the insight was new and would be seminal in the thinking that led James Clerk Maxwell to electromagnetic field theory."
"Divine in hookas, glorious in a pipe When tipp'd with amber, mellow, rich, and ripe; Like other charmers, wooing the caress More dazzlingly when daring in full dress; Yet thy true lovers more admire by far Thy naked beauties—give me a cigar!"
"She thought of her own strength, and Juan's youth, And of the folly of all prudish fears, Victorious virtue, and domestic truth, And then of Don Alfonso's fifty years: [...] When people say, "I've told you fifty times," They mean to scold, and very often do: When poets say, "I've written fifty rhymes," They make you dread that they'll recite them too; In gangs of fifty thieves commit their crimes: At fifty love for love is rare, 'tis true, But then, no doubt, it equally as true is, A good deal may be bought for fifty louis."
"But now at thirty years my hair is gray–– (I wonder what it will be like at forty? I thought of a peruke the other day) My heart is not much greener; and, in short, I Have squander'd my whole summer while 'twas May, And feel no more the spirit to retort; I Have spent my life, both interest and principal, And deem not, what I deem'd my soul invincible."
"What is the end of fame? 'tis but to fill A certain portion of uncertain paper: Some liken it to climbing up a hill, Whose summit, like all hills, is lost in vapour; For this men write, speak, preach, and heroes kill, And bards burn what they call their "midnight taper," To have, when the original is dust, A name, a wretched picture, and worse bust."
"Both were so young, and one so innocent, That bathing pass'd for nothing; Juan seem'd To her, as 'twere, the kind of being sent, Of whom these two years she had nightly dream'd, A something to be loved, a creature meant To be her happiness, and whom she deem'd To render happy; all who joy would win Must share it,––Happiness was born a twin."
"It would be difficult, perhaps, to find the annals of a nation less stained with crimes than those of the Armenians, whose virtues have been those of peace, and their vices those of compulsion. But whatever may have been their destiny — and it has been bitter — whatever it may be in future, their country must ever be one of the most interesting on the globe."
"[Armenian] is a rich language, however, and would amply repay any one the trouble of learning it."
"What helps it now, that Byron bore, With haughty scorn which mocked the smart, Through Europe to the Aetolian shore The pageant of his bleeding heart? That thousands counted every groan, And Europe made his woe her own?"
"If they had said that the sun or the moon had gone out of the heavens, it could not have struck me with the idea of a more awful and dreary blank in creation than the words: "Byron is dead!""
"The world is rid of Lord Byron, but the deadly slime of his touch still remains."
"Lord Byron is great only as a poet; as soon as he reflects, he is a child."
"It still saddens me that Lord Byron, who showed such impatience with the fickle public, wasn't aware of how well the Germans can understand him and how highly they esteem him. With us the moral and political tittle-tattle of the day falls away, leaving the man and the talent standing alone in all their brilliance."
"Emotional sorrow has inspired many sublime lyrics, much profound insight and poetic exultation of a Byron, Shelley, Heine, and their kind."
"Lord Byron makes man after his own image, woman after his own heart; the one is a capricious tyrant, the other a yielding slave."
"Whatever he does, he must do in a more decided and daring manner than any one else; he lounges with extravagance, and yawns so as to alarm the reader!"
"In a room at the end of the garden to this house was a magnificent rocking-horse, which a friend had given my little boy; and Lord Byron, with a childish glee becoming a poet, would ride upon it. Ah! why did he ever ride his Pegasus to less advantage?"
"The list of writers, artists, and composers who were directly inspired by Byron's life and poetry is almost without peer; it includes Hector Berlioz, Alexander Pushkin, J. M. W. Turner, Robert Schumann, Victor Hugo, Alfred-Victor de Vigny, Alfred de Musset, Giuseppe Verdi, Gaetano Donizetti, Franz Liszt, Peter Ilyich Tchaikovsky, Arnold Schoenberg, Gioacchino Rossini, Charles Baudelaire, and Virgil Thomson. Not surprisingly, most of these influenced by Byron were themselves intensely emotional and inclined toward the Romantic."
"You speak of Lord Byron and me — there is this great difference between us. He describes what he sees — I describe what I imagine. Mine is the hardest task."
"Mad, bad and dangerous to know."
"From the poetry of Lord Byron they drew a system of ethics, compounded of misanthropy and voluptuousness, a system in which the two great commandments were, to hate your neighbour, and to love your neighbour's wife."
"I never heard a single expression of fondness for him fall from the lips of any of those who knew him well."
"Tragedy of childhood. Not infrequently, noble-minded and ambitious men have to endure their harshest struggle in childhood, perhaps by having to assert their characters against a low-minded father, who is devoted to pretense and mendacity, or by living, like Lord Byron, in continual struggle with a childish and wrathful mother. If one has experienced such struggles, for the rest of his life he will never get over knowing who has been in reality his greatest and most dangerous enemy."
"Always looking at himself in mirrors to make sure he was sufficiently outrageous."
"Had Byron never written a line of poetry, his letters would give him a place in literature."
"Our Lord Byron — the fascinating — faulty — childish — philosophical being — daring the world — docile to a private circle — impetuous and indolent — gloomy and yet more gay than any other."
"If I could envy any man for successful ill nature I should envy Lord Byron for his skill in satirical nomenclature."
"The news came to the village — the dire news which spread across the land, filling men's hearts with consternation — that Byron was dead. Tennyson was then about a boy of fifteen."Byron was dead! I thought the whole world was at an end," he once said, speaking of those bygone days. "I thought everything was over and finished for everyone — that nothing else mattered. I remembered I walked out alone, and carved 'Byron is dead' into the sandstone.""
"Friendship is Love without wings."
"What say you to such a supper with such a woman?"
"I'll publish right or wrong: Fools are my theme, let satire be my song."
"'Tis pleasure, sure, to see one's name in print; A book's a book, although there's nothing in 't."