"It is art that makes life, makes interest, makes importance, for our consideration and application of these things, and I know of no substitute whatever for the force and beauty of its process."

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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