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Physical concepts are free creations of the human mind, and are not, however it may seem, uniquely determined by the external world. In our endeavor to understand reality we are somewhat like a man trying to understand the mechanism of a closed watch. He sees the face and the moving hands, even hears its ticking, but he has no way of opening the case. If he is ingenious he may form some picture of a mechanism which could be responsible for all the things he observes, but he may never be quite sure his picture is the only one which could explain his observations. He will never be able to compare his picture with the real mechanism and he cannot even imagine the possibility or the meaning of such a comparison. But he certainly believes that, as his knowledge increases, his picture of reality will become simpler and simpler and will explain a wider and wider range of his sensuous impressions. He may also believe in the existence of the ideal limit of knowledge and that it is approached by the human mind. He may call this ideal limit the objective truth.
--
The Evolution of Physics (1938) (co-written with Leopold Infeld)

 

Albert Einstein

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Everyone wants to understand painting. Why don’t they try to understand the song of the birds? Why do they love a night, a flower, everything which surrounds man, without attempting to understand them? Whereas where painting is concerned, they want to understand. Let them understand above all that the artist works from necessity; that he, too, is a minute element of the world to whom one should ascribe no more importance than so many things in nature which charm us but which we do not explain to ourselves. Those who attempt to explain a picture are on the wrong track most of the time. Gertrude Stein, overjoyed, told me some time ago that she had finally understood what my picture represented: three musicians. It was a still-life!

 

Pablo Picasso

 

This is what has happened to the word “liberalism.” In the nineteenth century, this word referred to an ideal of maximum individual liberty and minimum state interference, to put it generally. Today, it is being used to refer to something like the ideal of the welfare state, which involves many restrictions upon liberty. Now if those who use the word thus could be brought into a semantic disputation, I think they would argue that the new meaning is justified because the old meaning is no longer possible. And if we pushed them to explain why it is no longer possible, I think they would answer that “circumstances have changed.” I would want to ask them next what changed circumstances have to do with an ideal construct. What they have done is to take the old term “liberalism,” whose meaning polarized around a concept of personal liberty, and to use this to mean something like philanthropic activity through the machinery of the state. The two ideas are manifestly discrete, but they have used the word for the second idea because it carries with it some of the value connotations of the old one. The second idea is, according to them, the only context in which a benevolent man can now operate. In fact, however, liberalism in the old sense is still there as a viable ideal if the mind is disposed to receive that ideal. When they say that the old meaning is no longer possible in the circumstances, what they are really indicating is that they prefer the new circumstances. Then they make the substitution, in disregard of the transcendental basis of language. I believe that this is a very general truth. When a person blames a change of meaning upon changed facts, he is yielding to the facts and using them to justify a change that should not be made except by “ideal” consent. He is committing the fallacy of supposing that the reason for such change can lie outside the realm of discourse itself — that meaning must somehow tag along after empirical reality. All of this seems to reflect a purely materialist or “physicalist” view of the world. But if one believes that physical reality is the sole determinant of all things, including meanings, one collapses the relationship between what is physical and what is symbolic of meaning and value. it is another evidence of bow the modem mind is trying to surrender its constitutive powers to the objective physical world.

 

Richard Weaver

 

An example: if I compose a picture using as objects a scrap of bark, a scrap of butterfly wing and a purely imaginary form, you probably won’t recognise the bark, or the butterfly wing, and you’ll say: ‘What does this stand for? It is an abstract picture. No it’s a representational picture’.. ..There is no such thing as ‘abstract’, or ‘concrete’ either. There is a good picture and a bad picture. There is the picture that moves you and the picture that leaves you cold.. ..A picture has a value in itself, like a musical score, like a poem.

 

Fernand Leger

 

Hold a picture of yourself long and steadily enough in your mind's eye and you will be drawn toward it. Picture yourself vividly as defeated and that alone will make victory impossible. Picture yourself vividly as winning, and that alone will contribute immeasurably to success. Do not picture yourself as anything and you will drift like a derelict.

 

Harry Emerson Fosdick

 

Correct me if I'm wrong here, but truth is something that arises out of the relationship between language and the world. If I look at a picture alone, it tells me nothing. In the previous incarnation of this lecture, I was going to put a picture of the Titanic and the Lusitania up on the screen. They look very, very similar - four smokestacks. They look almost identical. You look at either picture, true or false? Neither. Put a caption at the bottom of one of them, that changes everything. If you put in the caption, "This is the Lusitania," and the picture is a picture of the Lusitania, then the caption is true. However, the picture itself is neither true nor false. It's just a picture.

 

Errol Morris