Strange indeed is human nature. Here were these men, to whom murder was familiar, who again and again had struck down the father of the family, some man against whom they had no personal feeling, without one thought of compunction or of compassion for his weeping wife or helpless children, and yet the tender or pathetic in music could move them to tears.
Arthur Conan DoyleThey say that genius is an infinite capacity for taking pains," he remarked with a smile. "It's a very bad definition, but it does apply to detective work.
Arthur Conan DoyleDetection is, or ought to be, an exact science, and should be treated in the same cold and unemotional manner.
Arthur Conan Doyle