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Pure mathematics , being mere tautology, and pure physics , being mere fact, could not have engendered them; for creatures to live, must sense the useful and the good; and engines to run must have energy available as work:;: and both, to endure, must regulate themselves. So it is to Thermodynamics and to its brother ?p log p , called Information theory, that we look for the distinctions between work and energy and between signal and noise.
Warren S. McCulloch (1961) in: Pask An approach to Cybernetics. Preface. p.7 | ||
