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"You will remember that I remarked the other day, just before we went into the very simple problem presented by Miss Mary Sutherland, that for strange effects and extraordinary combinations we must go to life itself, which is always far more daring than any effort of the imagination."A proposition which I took the liberty of doubting."You did, Doctor, but none the less you must come round to my view, for otherwise I shall keep on piling fact upon fact on you until your reason breaks down under them and acknowledges me to be right."
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Exlpore more Logic quotes

"If-Then" is a structured logic of humans' thought,who have memories and imagination in their mind. If both don't exist, Then this quote has never even been written."

"And here is the point, about myself and my co-thinkers. Our belief is not a belief. Our principles are not a faith. We do not rely solely upon science and reason, because these are necessary rather than sufficient factors, but we distrust anything that contradicts science or outrages reason. We may differ on many things, but what we respect is free inquiry, openmindedness, and the pursuit of ideas for their own sake."

"It is illogical to say, as many etatists do, that liberalism is hostile to or hates the state, because it is opposed to the transfer of the ownership of railroads or cotton mills to the state. If a man says that sulphuric acid does not make a good hand lotion, he is not expressing hostility to sulphuric acid as such; he is simply giving his opinion concerning the limitations of its use."

"It had to be a trick or you couldn't have done it."

"A thousand minus one is never a thousand."

"In order to disprove the assertion that all crows are black, one white crow is sufficient."

"For nothing is more democratic than logic, it is no respecter of persons and makes no distinction between crooked and straight noses."

"I was upset. I had always believed logic was a universal weapon and now I realized how its validity depended on the way it was employed."
Explore more quotes by Arthur Conan Doyle

"Sir Walter, with his 61 years of life, although he never wrote a novel until he was over 40, had, fortunately for the world, a longer working career than most of his brethren."

"How often have I said to you that when you have eliminated the impossible, whatever remains, however improbable, must be the truth?"

"I consider that a man's brain originally is like a little empty attic, and you have to stock it with such furniture as you choose."

"Depend upon it there comes a time when for every addition of knowledge you forget something that you knew before. It is of the highest importance, therefore, not to have useless facts elbowing out the useful ones."

"I have frequently gained my first real insight into the character of parents by studying their children."

"London, that great cesspool into which all the loungers and idlers of the Empire are irresistibly drained."

"A man should keep his little brain attic stocked with all the furniture that he is likely to use, and the rest he can put away in the lumber-room of his library, where he can get it if he wants it."

"As a rule, said Holmes, the more bizarre a thing is the less mysterious it proves to be. It is your commonplace, featureless crimes which are really puzzling, just as a commonplace face is the most difficult to identify."
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