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I see philosophy as a fairly abstract activity, as concerned mainly with the analysis of criticism and concepts, and of course most usefully of scientific concepts.

A.J. Ayer

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A.J. Ayer
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Scientific
Concepts
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Usefully
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Philosophy
Fairly
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More quotes by A.J. Ayer

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If the assertion that there is a god is nonsensical, then the atheist's assertion that there is no god is equally nonsensical, since it is only a significant proposition that can be significantly contradicted.
A.J. Ayer
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It seems that I have spent my entire life trying to make life more rational and that it was all wasted effort.
A.J. Ayer
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I suddenly stopped and looked out at the sea and thought, my God, how beautiful this is ... for 26 years I had never really looked at it before.
A.J. Ayer
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No moral system can rest solely on authority.
A.J. Ayer
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We say that a sentence is factually significant to any given person, if, and only if, he knows how to verify the proposition which it purports to express.
A.J. Ayer
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Why should you mind being wrong if someone can show you that you are?
A.J. Ayer
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There never comes a point where a theory can be said to be true. The most that one can claim for any theory is that it has shared the successes of all its rivals and that it has passed at least one test which they have failed.
A.J. Ayer
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No morality can be founded on authority, even if the authority were divine.
A.J. Ayer
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It is possible to be a meta-physician without believing in a transcendent reality for we shall see that many metaphysical utterances are due to the commission of logical errors, rather than to a conscious desire on the part of their authors to go beyond the limits of experience.
A.J. Ayer
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It appears, then, that ethics, as a branch of knowledge, is nothing more than a department of psychologyand sociology.
A.J. Ayer
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I take it, therefore, to be a fact, that one's existence ends with death. I think it possible to show how this fact can be emotionally acceptable.
A.J. Ayer
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But if science may be said to be blind without philosophy, it is true also that philosophy is virtually empty without science.
A.J. Ayer
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The ground for taking ignorance to be restrictive of freedom is that it causes people to make choices which they would not have made if they had seen what the realization of their choices involved.
A.J. Ayer
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The only possible basis for a sound morality is mutual tolerance and respect: tolerance of one another’s customs and opinions respect for one another’s rights and feelings awareness of one another’s needs.
A.J. Ayer
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If one takes full account of the persecution of heretics, the frequency and savagery of the religious wars which Christianity had endangered, the harm caused, especially to children, by the pernicious doctrine of original sin, a case could be made for saying that the world would have been better off without Christianity.
A.J. Ayer
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While moral rules may be propounded by authority the fact that these were so propounded would not validate them.
A.J. Ayer
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There is philosophy, which is about conceptual analysis - about the meaning of what we say - and there is all of this ... all of life.
A.J. Ayer
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I do not believe in God. It seems to me that theists of all kinds have very largely failed to make their concept of a deity intelligible and to the extent that they have made it intelligible, they have given us no reason to think that anything answers to it.
A.J. Ayer
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The traditional disputes of philosophers are, for the most part, as unwarranted as they are unfruitful.
A.J. Ayer
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The fact that people have religious experiences is interesting from the psychological point of view, but it does not in any way imply that there is such a thing as religious knowledge...Unless he can formulate this 'knowledge' in propositions that are empirically verifiable, we may be sure that he is deceiving himself.
A.J. Ayer