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Is the set of all sets which are not members of themselves a member of itself?

Bertrand Russell

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Bertrand Russell
Age: 97 †
Born: 1872
Born: May 18
Died: 1970
Died: February 2
Analytic Philosopher
Autobiographer
Epistemologist
Essayist
Journalist
Logician
Mathematician
Metaphysician
Peace Activist
Philosopher
Tryleg
Bertrand Arthur William Russell
Russell
Bertrand Russell
3rd Earl Russell
Bertrand Russell
Earl Russell
Bertrand Arthur William Russell
3rd Earl Russell
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More quotes by Bertrand Russell

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3 is prime, 5 is prime, 7 is prime, 9 is a paradox as is a paradox why the number 1 is not prime if it has no other divisors besides himself.
Bertrand Russell
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Clergymen almost necessarily fail in two ways as teachers of morals. They condemn acts which do no harm and they condone acts which do great harm.
Bertrand Russell
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The reformative effect of punishment is a belief that dies hard, chiefly I think, because it is so satisfying to our sadistic impulses.
Bertrand Russell
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Life is just one cup of coffee after another, and don't look for anything else.
Bertrand Russell
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The question of unrealityis a very important one. Misled by grammar, the great majority of those logicians who have dealt with this question have dealt with it on mistaken lines. They have regarded grammatical form as a surer guide in analysis than, in fact, it is. And they have not known what differences in grammatical form are important.
Bertrand Russell
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One must expect a war between U.S.A. and U.S.S.R. which will begin with the total destruction of London. I think the war will last 30 years, and leave a world without civilised people, from which everything will have to build afresh - a process taking (say) 500 years.
Bertrand Russell
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One is always a little afraid of love, but above all, one is afraid of pain or causing pain.
Bertrand Russell
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The satisfaction to be derived from success in a great constructive enterprise is one of the most massive that life has to offer.
Bertrand Russell
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(on A History of Western Philosophy) I was sometimes accused by reviewers of writing not a true history but a biased account of the events that I arbitrarily chose to write of. But to my mind, a man without a bias cannot write interesting history - if, indeed, such man exists.
Bertrand Russell
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The first step in a fascist movement is the combination under an energetic leader of a number of men who possess more than the average share of leisure, brutality, and stupidity. The next step is to fascinate fools and muzzle the intelligent, by emotional excitement on the one hand and terrorism on the other.
Bertrand Russell
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History is valuable, to begin with, because it is true and this, though not the whole of its value, is the foundation and condition of all the rest. That all knowledge, as such, is in some degree good, would appear to be at least probable and the knowledge of every historical fact possesses this element of goodness, even if it posses no other.
Bertrand Russell
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Bolshevism is to be reckoned with Mohammedanism rather than with Christianity and Buddhism. Christianity and Buddhism are primarily personal religions, with mystical doctrines and a love of contemplation. Mohammedanism and Bolshevism are practical, social, unspiritual, concerned to win the empire of the world.
Bertrand Russell
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A life which goes excessively against natural impulse is... likely to involve effects of strain that may be quite as bad as indulgence in forbidden impulses would have been. People who live a life which is unnatural beyond a point are likely to be filled with envy, malice and uncharitableness.
Bertrand Russell
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The main thing needed to make men happy is intelligence.
Bertrand Russell
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Inferences of Science and Common Sense differ from those of deductive logic and mathematics in a very important respect, namely, when the premises are true and the reasoning correct, the conclusion is only probable.
Bertrand Russell
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The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts.
Bertrand Russell
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Mathematics is only the art of saying the same thing in different words.
Bertrand Russell
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There is much pleasure to be gained from useless knowledge.
Bertrand Russell
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Another merit of home is that it preserves the diversity between individuals. If we were all alike, it might be convenient for the bureaucrat and the statistician, but it would be very dull, and would lead to a very unprogressive society.
Bertrand Russell
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The purpose of education is to teach a defense against eloquence.
Bertrand Russell