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Werner Heisenberg

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Light and matter are both single entities, and the apparent duality arises in the limitations of our language. It is not surprising that our language should be incapable of describing the processes occurring within the atoms, for, as has been remarked, it was invented to describe the experiences of daily life, and these consist only of processes involving exceedingly large numbers of atoms. Furthermore, it is very difficult to modify our language so that it will be able to describe these atomic processes, for words can only describe things of which we can form mental pictures, and this ability, too, is a result of daily experience. Fortunately, mathematics is not subject to this limitation, and it has been possible to invent a mathematical scheme the quantum theory which seems entirely adequate for the treatment of atomic processes; for visualisation, however, we must content ourselves with two incomplete analogies the wave picture and the corpuscular picture.
"Introductory" in The Physical Principles of the Quantum Theory (1930) as translated by Carl Eckhart and Frank C. Hoyt, p. 10

Werner Heisenberg

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It seems to me immensely unlikely that mind is a mere by-product of matter. For if my mental processes are determined wholly by the motions of atoms in my brain I have no reason to suppose that my beliefs are true. They may be sound chemically, but that does not make them sound logically. And hence I have no reason for supposing my brain to be composed of atoms.

J. B. S. Haldane

I shall here present the view that numbers, even whole numbers, are words, parts of speech, and that mathematics is their grammar. Numbers were therefore invented by people in the same sense that language, both written and spoken, was invented. Grammar is also an invention. Words and numbers have no existence separate from the people who use them. Knowledge of mathematics is transmitted from one generation to another, and it changes in the same slow way that language changes. Continuity is provided by the process of oral or written transmission.

Carl Eckart

However, many applied optimization problems have not been considered yet. It is necessary to use optimization methods of quantum and bio-molecular systems, because of the practical importance of the implementation of physical processes satisfying the required quality criteria. Most of the attention is focused on the following problems: 2. Mathematical modeling of controlled physical and chemical processes in the brain; [to] consider the brain as a quantum macroscopic object (Gomatam, 1999).

Ravi Gomatam

I spent a couple of years between eleven and thirteen analysing the social evaluations that were taken for granted, also acquiring a thorough scepticism about processes regarded as causal, and the consistency of the physical world, as well as the reliability of my own mental processes. By the time I was thirteen I was running out of things to think about, so starting on a run of exam-taking seemed all the more appropriate, as I was finding it difficult to make use of spare time.

Celia Green

Art alone makes life possible this is how radically I should like to formulate it. I would say that without art man is inconceivable in physiological terms.. ..I would say man does not consist only of chemical processes, but also of metaphysical occurrences. The provocateur of the chemical processes is located outside the world. Man is only truly alive when he realizes he is a creative, artistic being.. ..Even the act of peeling a potato can be a work of art if it is a conscious act.

Joseph Beuys
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