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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
Member
Sets
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More quotes by Bertrand Russell

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There is in Aristotle an almost complete absence of what may be called benevolence or philanthropy. The sufferings of mankind . . . there is no evidence that they cause him unhappiness except when the sufferers happen to be his friends.
Bertrand Russell
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Logic must no more admit a unicorn than zoology can.
Bertrand Russell
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If any philosopher had been asked for a definition of infinity, he might have produced some unintelligible rigmarole, but he would certainly not have been able to give a definition that had any meaning at all.
Bertrand Russell
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Religion may in most of its forms be defined as the belief that the gods are on the side of the government.
Bertrand Russell
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From India to Spain, the brilliant civilization of Islam flourished. What was lost to christendom at this time was not lost to civilization, but quite the contrary.
Bertrand Russell
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Remember your humanity, and forget the rest.
Bertrand Russell
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Aristotle and Plato considered Greeks so innately superior to barbarians that slavery is justified so long as the master is Greek and the slave barbarian.
Bertrand Russell
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I conclude that, while it is true that science cannot decide questions of value, that is because they cannot be intellectually decided at all, and lie outside the realm of truth and falsehood. Whatever knowledge is attainable, must be attained by scientific methods and what science cannot discover, mankind cannot know.
Bertrand Russell
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A generation educated in fearless freedom will have wider and bolder hopes than are possible to us
Bertrand Russell
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No satisfaction based upon self-deception is solid, and however unpleasant the truth may be, it is better to face it once and for all, to get used to it, and to proceed to build your life in accordance with it.
Bertrand Russell
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Although this may seem a paradox, all exact science is based on the idea of approximation. If a man tells you he knows a thing exactly, then you can be safe in inferring that you are speaking to an inexact man.
Bertrand Russell
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Those who forget good and evil and seek only to know the facts are more likely to achieve good than those who view the world through the distorting medium of their own desires.
Bertrand Russell
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The legacy of Greece to Western philosophy is Western philosophy.
Bertrand Russell
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It seems to us unwise to have insisted on teaching geometry to the younger Dionysius, tyrant of Syracuse, in order to make him a good king, but from Plato's point of view it was essential. He was sufficiently Pythagorean to think that without mathematics no true wisdom is possible.
Bertrand Russell
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No opinion has ever been too errant to become a creed.
Bertrand Russell
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For some reason which I have failed to understand, many people like the system [scientific totalitarianism] when it is Russian but disliked the very same system when it was German. I am compelled to think that this is due to the power of labels these people like whatever is labelled ‘Left’ without examining whether the label has any justification.
Bertrand Russell
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Do not feel certain of anything.
Bertrand Russell
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How much longer is the world willing to endure this spectacle of wanton cruelty?
Bertrand Russell
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I am compelled to fear that science will be used to promote the power of dominant groups rather than to make men happy.
Bertrand Russell
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What the world needs is not dogma but an attitude of scientific inquiry combined with a belief that the torture of millions is not desirable, whether inflicted by Stalin or by a Deity imagined in the likeness of the believer
Bertrand Russell