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"We seldom make logical mistakes, but often have mistaken logics."
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Personal Development

"A thousand minus one is never a thousand."
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Personal Development

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

"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."
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Personal Development

"A narrow hallway is all that separates rational from irrational, creativity from insanity, and intelligence from stupidity."
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Personal Development

"The existence of a majority logically implies a corresponding minority."
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Personal Development

"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."
Author Name
Personal Development

"Arguments cannot be answered by personal abuse; there is no logic in slander, and falsehood, in the long run, defeats itself."
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Personal Development

"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."
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Personal Development

"Pattern Thinking is a type of problem-solving thinking."
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Personal Development
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"We are all flawed and creatures of our times. Is it fair to judge us by the unknown standards of the future?"
Ethics

"You squeeze the eyedropper, and a drop of pond water drips out onto the microscope stage. You look at the projected image. The drop is full of life - strange beings swimming, crawling, tumbling; high dramas of pursuit and escape, triumph and tragedy. This is a world populated by beings far more exotic than in any science fiction movie..."
Science

"Skeptical scrutiny is the means, in both science and religion, by which deep thoughts can be winnowed from deep nonsense."
Science

"Personally, I would be delighted if there were a life after death, especially if it permitted me to continue to learn about this world and others, if it gave me a chance to discover how history turns out."
History

"I am often amazed at how much more capability and enthusiasm for science there is among elementary school youngsters than among college students."
Science

"When you make the finding yourself - even if you're the last person on Earth to see the light - you'll never forget it."
Earth

"There are many hypotheses in science which are wrong. That's perfectly all right: it's the aperture to finding out what's right. Science is a self-correcting process."
Science

"There are no forbidden questions in science, no matters to sensitive or delicate to be probed, no sacred truths. That openness to new ideas, combined with the most rigorous, skeptical scrutiny of all ideas, sifts the wheat from the chaff. It makes no difference how smart, august, or beloved you are. You must prove your case in the face of determined, expert criticism. Diversity and debate are valued. Opinions are encouraged to contend"substantively and in depth."
Science

"We are all star stuff."
Science

"The truth may be puzzling. It may take some work to grapple with. It may be counterintuitive. It may contradict deeply held prejudices. It may not be consonant with what we desperately want to be true. But our preferences do not determine what's true."
Truth
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