„Why is Einstein's theory better than Lorentz's theory? It would be a mistake to argue that Einstein's theory gives an explanation of Michelson's experiment, since it does not do so. Michelson's experiment is simply taken over as an axiom.“

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Hans Reichenbach
1891 - 1953
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Context: Einstein's theory of relativity has advanced our ideas of the structure of the cosmos a step further. It is as if a wall which separated us from Truth has collapsed. Wider expanses and greater depths are now exposed to the searching eye of knowledge, regions of which we had not even a presentiment. It has brought us much nearer to grasping the plan that underlies all physical happening. From the Author's Preface to First Edition (1918)

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„Experience without theory is blind, but theory without experience is mere intellectual play.“

—  Immanuel Kant German philosopher 1724 - 1804
This is declared to be "an old Kantian maxim" in General Systems Vol. 7-8 (1962)‎, p. 11, by the Society for the Advancement of General Systems Theory, but may simply be a paraphrase or summation of Kantian ideas. Kant's treatment of the transcendental logic in the First Critique contains a portion, of which this quote may be an ambiguously worded paraphrase. Kant, claiming that both reason and the senses are essential to the formation of our understanding of the world, writes: "Without sensibility no object would be given to us, and without understanding none would be thought. Thoughts without content are empty, intuitions without concepts are blind (A51/B75)".

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„Even facts become fictions without adequate ways of seeing "the facts". We do not need theories so much as the experience that is the source of the theory.“

—  Ronald David Laing Scottish psychiatrist and author 1927 - 1989
Context: Even facts become fictions without adequate ways of seeing "the facts". We do not need theories so much as the experience that is the source of the theory. We are not satisfied with faith, in the sense of an implausible hypothesis irrationally held: we demand to experience the "evidence". We can see other people's behaviour, but not their experience. This has led some people to insist that psychology has nothing to do with the other person's experience, but only with his behaviour. The other person's behaviour is an experience of mine. My behaviour is an experience of the other. The task of social phenomenology is to relate my experience of the other's behaviour to the other's experience of my behaviour. Its study is the relation between experience and experience: its true field is inter-experience. Ch. 1 : Experience as evidence http://www.marxists.org/reference/subject/philosophy/works/en/laing.htm

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