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"Logic is the art of non-contradictory identification. A contradiction cannot exist. No concept man forms is valid unless he integrates it without contradiction into the total sum of his knowledge. To arrive at a contradiction is to confess an error in one's thinking, to maintain a contradiction is to abdicate one's mind and to evict oneself from the realm of reality."
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"Many people have said to me that I'm a mystic. I find that a bit mysterious. I just use logic and common sense for my philosophies."
"Logic, n. The art of thinking and reasoning in strict accordance with the limitations and incapacities of the human misunderstanding. The basic of logic is the syllogism, consisting of a major and a minor premise and a conclusion - thus:Major Premise: Sixty men can do a piece of work sixty times as quickly as one man.Minor Premise: One man can dig a post-hole in sixty seconds; Therefore-Conclusion: Sixty men can dig a post-hole in one second.This may be called syllogism arithmetical, in which, by combining logic and mathematics, we obtain a double certainty and are twice blessed."
"Any belief which encourages you to use your own intellect, which motivates you to question everything and points out your own mind as the only road for your salvation is a good belief!"
"There's more to logic than identifying logical fallacies."
"There is no logic in logics except an illogical logic."
Explore more quotes by Ayn Rand
"Love is the expression of one's values, the greatest reward you can earn for the moral qualities you have achieved in your character and person, the emotional price paid by one man for the joy he receives from the virtues of another."
"To think is an act of choice. The key to what you so recklessly call 'human nature,' the open secret you live with, yet dread to name, is the fact that man is a being of volitional consciousness. Reason does not work automatically; thinking is not a mechanical process; the connections of logic are not made by instinct."
"Fear walks through the City, fear without name, without shape. All men feel it and none dare to speak."
"Dagny," he said, looking at the city as it moved past their taxi window, "think of the first man who thought of making a steel girder. He knew what he saw, what he thought and what he wanted. He did not say, 'It seems to me,' and he did not take orders from those who say, 'In my opinion."
"Ask yourself whether the dream of heaven and greatness should be waiting for us in our graves - or whether it should be ours here and now and on this earth."
"Achievement of your happiness is the only moral purpose of your life, and that happiness, not pain or mindless self-indulgence, is the proof of your moral integrity, since it is the proof and the result of your loyalty to the achievement of your values."
"Just as man can't exist without his body, so no rights can exist without the right to translate one's rights into reality, to think, to work and keep the results, which means: the right of property."
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