that the world should realise that the highest object of this command of matter is to use it for spiritual ends. The great Cambridge physicists who have left us within the memory of many here present—Adams and Cayley, Stokes, Maxwell, and Kelvin—realised this; the desire to discover the truth, to advance knowledge for its own sake, lay at the root of their endeavours and was the cause of their success.
A distinction is often drawn nowadays between pure science and industrial science. I saw somewhere recently a protest against the use of the latter term. Science is one, and industrial science so-called is the application of the discoveries of pure science to the problems of industry. Huxley wrote long ago: "What people called Applied Science is nothing but the application of Pure Science to particular problems." It is essential that we should
