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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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A.J. Ayer
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More quotes by A.J. Ayer

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Bertrand Russell would not have wished to be called a saint of any description but he was a great and good man.
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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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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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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No moral system can rest solely on authority.
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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If 'god' is a metaphysical term, then it cannot be even probable that a god exists. For to say that 'God exists' is to make a metaphysical utterance which cannot be either true or false. And by the same criterion, no sentence which purports to describe the nature of a transcendent god can possess any literal significance.
A.J. Ayer
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The misfortunes which God is represented in the book of Job as allowing Satan to inflict on Job, merely to test his faith, are indications, if not of positive malevolence, at least of a suspicious and ruthless insecurity, which is characteristic more of a tyrant than of a wholly powerful and benevolent deity.
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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Theism is so confused and the sentences in which God appears so incoherent and so incapable of verifiability or falsifiability that to speak of belief or unbelief, faith or unfaith, is logically impossible.
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 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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I saw a Divine Being. I'm afraid I'm going to have to revise all my various books and opinions.
A.J. Ayer
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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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We shall maintain that no statement which refers to a 'reality'transcending the limits of all possible sense- experience can possibly have any literal significance.
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 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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Even logical positivists are capable of love.
A.J. Ayer