Tolstoi explains somewhere in his writings why, in his opinion, "Science for Science's sake" is an absurd conception. We cannot know all the facts since they are infinite in number. We must make a selection... guided by utility... Have we not some better occupation than counting the number of lady-birds in existence on this planet?
The Value of Science: Essential Writings of Henri Poincare (ed. Modern Library, 2012) - ISBN: 9780307824066