Vortices of pure energy can exist and, if my theories are right, can compose the bodily form of an intelligent species. Lord Kelvin More Quotes by Lord Kelvin More Quotes From Lord Kelvin Quaternions came from Hamilton after his really good work had been done, and though beautifully ingenious, have been an unmixed evil to those who have touched them in any way. Lord Kelvin done evil way The life and soul of science is its practical application, and just as the great advances in mathematics have been made through the desire of discovering the solution of problems which were of a highly practical kind in mathematical science, so in physical science many of the greatest advances that have been made from the beginning of the world to the present time have been made in the earnest desire to turn the knowledge of the properties of matter to some purpose useful to mankind. Lord Kelvin soul science knowledge Mathematics is the only true metaphysics. Lord Kelvin metaphysics mathematics Let nobody be afraid of true freedom of thought. Let us be free in thought and criticism; but, with freedom, we are bound to come to the conclusion that science is not antagonistic to religion, but a help to it. Lord Kelvin freedom criticism helping At what time does the dissipation of energy begin? Lord Kelvin energy doe time Fourier's theorem is not only one of the most beautiful results of modern analysis, but it may be said to furnish an indispensable instrument in the treatment of nearly every recondite question in modern physics. Lord Kelvin analysis may beautiful [Referring to Fourier's mathematical theory of the conduction of heat] ... Fourier's great mathematical poem. Lord Kelvin heat biographies science Science is bound, by the everlasting vow of honour, to face fearlessly every problem which can be fairly presented to it. Lord Kelvin vow problem faces Simplification of modes of proof is not merely an indication of advance in our knowledge of a subject, but is also the surest guarantee of readiness for farther progress. Lord Kelvin progress science knowledge Questions of personal priority, however interesting they may be to the persons concerned, sink into insignificance in the prospect of any gain of deeper insight into the secrets of nature. Lord Kelvin nature science interesting [Of the ether] it is no greater mystery at all events than the shoemakers' wax. Lord Kelvin mystery greater events There cannot be a greater mistake than that of looking superciliously upon practical applications of science. The life and soul of science is its practical application. Lord Kelvin application soul mistake In physical science a first essential step in the direction of learning any subject is to find principles of numerical reckoning and practicable methods for measuring some quality connected with it. I often say that when you can measure what you are speaking about, and express it in numbers, you know something about it; but when you cannot measure it, when you cannot express it in numbers, your knowledge is of a meagre and unsatisfactory kind; it may be the beginning of knowledge, but you have scarcely in your thoughts advanced to the stage of science, whatever the matter may be. Lord Kelvin quality principles numbers Although mechanical energy is indestructible, there is a universal tendency to its dissipation, which produces throughout the system a gradual augmentation and diffusion of heat, cessation of motion and exhaustion of the potential energy of the material Universe Lord Kelvin tendencies heat energy We all confidently believe that there are at present, and have been from time immemorial, many worlds of life besides our own. . . . [This] may seem wild, and visionary; all I maintain is that it is not unscientific. Lord Kelvin visionaries moon believe Ether is the only substance we are confident of in dynamics. One thing we are sure of and that is the reality and substantiality of the luminferous ether. Lord Kelvin dynamics substance reality 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. Lord Kelvin vectors survival use The vortex theory [of the atom] is only a dream. Itself unproven, it can prove nothing, and any speculations founded upon it are mere dreams about dreams. Lord Kelvin atoms dream science Until you can measure something and express it in numbers, you have only the begining of understanding. Lord Kelvin The true measure of a man is what he would do if he knew he would never be caught. Lord Kelvin true never man measure-of-a-man
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