“Since we seek to know what is the physical phenomenon we perceive, we must first enunciate this proposition, which will govern the whole of our discussion: to wit— Of the outer world we know nothing except our sensations.”

— Alfred Binet

Source: The Mind and the Brain, 1907, p. 12

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Alfred Binet 21

French psychologist and inventor of the first usable intell… 1857–1911

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“When making the analysis of matter we impliedly admitted two propositions: first, that sensation is the tertium quid which is interposed between the excitant of our sensory nerves and ourselves; secondly, that the aggregate of our sensations is all we can know of the outer world, so that it is correct to define this last as the collection of our present, past, and possible sensations.”

Alfred Binet (1857–1911) French psychologist and inventor of the first usable intelligence test

Source: The Mind and the Brain, 1907, p. 60; Definition of sensation

“When we attempt to understand the inmost nature of the outer world, we stand before it as before absolute darkness. There probably exists in nature, outside of ourselves, neither colour, odour, force, resistance, space, nor anything that we know as sensation. Light is produced by the excitement of the optic nerve, and it shines only in our brain; as to the excitement itself, there is nothing to prove that it is luminous; outside of us is profound darkness, or even worse, since darkness is the correlation of light. In the same way, all the sonorous excitements which assail us, the creakings of machines, the sounds of nature, the words and cries of our fellows are produced by excitements of our acoustic nerve; it is in our brain that noise is produced, outside there reigns a dead silence. The same may be said of all our other senses.

...In short, our nervous system, which enables us to communicate with objects, prevents us, on the other hand, from knowing their nature. It is an organ of relation with the outer world; it is also, for us, a cause of isolation. We never go outside ourselves. We are walled in. And all we can say of matter and of the outer world is, that it is revealed to us solely by the sensations it affords us, that it is the unknown cause of our sensations, the inaccessible excitant of our organs of the senses, and that the ideas we are able to form as to the nature and the properties of that excitant, are necessarily derived from our sensations, and are subjective to the same degree as those sensations themselves.”

Alfred Binet (1857–1911) French psychologist and inventor of the first usable intelligence test

Source: The Mind and the Brain, 1907, p. 25

“Even if all life on our planet is destroyed, there must be other life somewhere which we know nothing of. It is impossible that ours is the only world; there must be world after world unseen by us, in some region or dimension that we simply do not perceive. Even though I can't prove that, even though it isn't logical — I believe it.”

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“The proximate goal of all perception is what we can get our hands upon. If we traverse the distance that separate us from that which we see or hear and find nothing for the hand to manipulate, the experience is an illusion or a hallucination. The world of perceptual reality, the world of physical things, is the world of our contacts and our manipulations, and the distance experience of the eye and the ear means first of all these physical things. Physical things are not only the meaning of what we see and hear; they are also the means we employ to accomplish our ends.”

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George Herbert Mead (1926). "The Nature of Aesthetic Experience." International Journal of Ethics, Vol. 36, No. 4 (Jul., 1926), pp. 382-393; p. 382

“A dream is by definition a series of sensations that occur in the brain when both our senses of perception and our powers of will and reason are in abeyance, so that we have no control over that flux of sensations. But it is, of course, a well-known phenomenon that when we dream that we are dreaming, the dream ends and we awaken. Then the conscious mind takes over and we are again responsible for our thoughts, and must face a day in which we must be responsible for our actions, which, by their wisdom or folly, may determine the rest of our lives. Our dreams may give expression, pleasant or painful, to our subconscious desires or fears. But in our waking hours we must, if we are rational, make our decisions on the basis of the most objective and cold-blooded estimates that we can make: estimates of the forces and tendencies in the world about us; estimates of the realities with which we must deal; remembering always that nothing is likely to happen just because we think it's good, or unlikely to happen just because we think it's evil.”

Revilo P. Oliver (1908–1994) American philologist

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“We cannot discuss the state of our minorities until we first have a sense of what we are, who we are, what our goals are, and what we take life to be.”

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“If we do not solve our civilizational crisis -- a disintegrating culture, dying populations, and invasions unresisted -- the children born in 2006 will witness in their lifetimes the death of the West. In our hearts we know what must be done. We must stop the invasion. But do our leaders have the vision and will to do it?”

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“It belongeth to us to have three manner of knowings: the first is that we know our Lord God; the second is that we know our self: what we are by Him, in Nature and Grace; the third is that we know meekly what our self is anent our sin and feebleness. And for these three was all the Shewing made, as to mine understanding.”

Julian of Norwich (1342–1416) English theologian and anchoress

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“Except physically, we know little more about Garbo than we know about Shakespeare.”

Greta Garbo (1905–1990) Swedish-American actress

Kenneth Tynan, "Greta Garbo," Sight and Sound (April 1954), republished in Profiles (1990), p. 80

“We will our Rights in Learning's World maintain,
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Source: The Emulation http://rpo.library.utoronto.ca/poems/emulation (1703), Lines 32–33

“Since we seek to know what is the physical phenomenon we perceive, we must first enunciate this proposition, which will govern the whole of our discussion: to wit— Of the outer world we know nothing except our sensations.”

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