The Sign of the Four

while the individual man is an insoluble puzzle, in the aggregate he becomes a mathematical certainty.

”

He smiled gently. “It is of the first importance,” he said, “not to allow your judgment to be biased by personal qualities.

What a very attractive woman!" I exclaimed, turning to my companion.

He had lit his pipe again, and was leaning back with drooping eyelids. "Is she?" he said, languidly. "I did not observe."

"You really are an automaton, – a calculating-machine!" I cried. "There is something positively inhuman in you at times."

He smiled gently. "It is of the first importance," he said, "not to allow your judgment to be biased by personal qualities. A client is to me a mere unit, – a factor in a problem. The emotional qualities are antagonistic to clear reasoning. I assure you that the most winning woman I ever knew was hanged for poisoning three little children for their insurance-money, and the most repellant man of my acquaintance is a philanthropist who has spent nearly a quarter of a million upon the London poor."