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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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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
Numbers
Besides
Paradox
Prime
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More quotes by Bertrand Russell

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In attempting to understand the elements out of which mental phenomena are compounded, it is of the greatest importance to remember that from the protozoa to man there is nowhere a very wide gap either in structure or in behaviour. From this fact it is a highly probable inference that there is also nowhere a very wide mental gap.
Bertrand Russell
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There is an element of the busybody in our conception of virtue: unless a man makes himself a nuisance to a great many people, we do not think he can be an exceptionally good man.
Bertrand Russell
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It is possible that mankind is on the threshold of a golden age but, if so, it will be necessary first to slay the dragon that guards the door, and this dragon is religion.
Bertrand Russell
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Boredom is... a vital problem for the moralist, since half the sins of mankind are caused by the fear of it.
Bertrand Russell
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When you want to teach children to think, you begin by treating them seriously when they are little, giving them responsibilities, talking to them candidly, providing privacy and solitude for them, and making them readers and thinkers of significant thoughts from the beginning. That’s if you want to teach them to think.
Bertrand Russell
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Real life is, to most men, a long second best, a perpetual compromise between the ideal and the possible.
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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Answering questions is a major part of sex education. Two rules cover the ground. First, always give a truthful answer to a question secondly, regard sex knowledge as exactly like any other knowledge.
Bertrand Russell
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Among human beings, the subjection of women is much more complete at a certain level of civilization than it is among savages. And the subjection is always reinforced by morality.
Bertrand Russell
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Good nature is, of all moral qualities, the one that the world needs most, and good nature is the result of ease and security, not of a life of arduous struggle.
Bertrand Russell
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In democratic countries, the most important private organizations are economic. Unlike secret societies, they are able to exercise their terrorism without illegality, since they do not threaten to kill their enemies, but only to starve them.
Bertrand Russell
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Either man will abolish war, or war will abolish man.
Bertrand Russell
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Hitler is an outcome of Rousseau.
Bertrand Russell
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I believe that the abolition of private ownership of land and capital is a necessary step toward any world in which the nations are to live at peace with one another.
Bertrand Russell
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The psychology of adultery has been falsified by conventional morals, which assume, in monogamous countries, that attraction to one person cannot coexist with affection for another. Everybody knows that this is untrue.
Bertrand Russell
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One of the most painful circumstances of recent advances in science is that each one makes us know less than we thought we did
Bertrand Russell
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Of course not. After all, I may be wrong.
Bertrand Russell
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Man is a credulous animal, and must believe something in the absence of good grounds for belief, he will be satisfied with bad ones.
Bertrand Russell
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The law of causality, I believe, like much that passes muster among philosophers, is a relic of a bygone age, surviving, like the monarchy, only because it is erroneously supposed to do no harm.
Bertrand Russell
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The habit of looking to the future and thinking that the whole meaning of the present lies in what it will bring forth is a pernicious one. There can be no value in the whole unless there is value in the parts.
Bertrand Russell