A Quote by Paul Dirac
I learnt to distrust all physical concepts as the basis for a theory. Instead one should put one's trust in a mathematical scheme, even if the scheme does not appear at first sight to be connected with physics. One should concentrate on getting interesting mathematics.
Related Quotes
It seems that every practitioner of physics has had to wonder at some point why mathematics and physics have come to be so closely entwined. Opinions vary on the answer. ..Bertrand Russell acknowledged..'Physics is mathematical not because we know so much about the physical world, but because we know so little.' ..Mathematics may be indispensable to physics, but it obviously does not constitute physics.
The concept of 'measurement' becomes so fuzzy on reflection that it is quite surprising to have it appearing in physical theory at the most fundamental level ... does not any analysis of measurement require concepts more fundamental than measurement? And should not the fundamental theory be about these more fundamental concepts?
It’s hard to come up with a scheme to thwart some other scheme you don’t even know about.
An old French mathematician said: "A mathematical theory is not to be considered complete until you have made it so clear that you can explain it to the first man whom you meet on the street." This clearness and ease of comprehension, here insisted on for a mathematical theory, I should still more demand for a mathematical problem if it is to be perfect; for what is clear and easily comprehended attracts, the complicated repels us.
Even if corners were cut, (Iran-Contra) was a brilliant scheme. There is no possibility that anyone in any Democratic administration would have gone to such lengths to fund anti-Communist forces. When Democrats scheme from the White House, it's to cover up the President's affair with an intern. When Republicans scheme, it's to support embattled anti-Communist freedom fighters sold out by the Democrats.
If you, however, separate reason and faith so that it's purely a rationalistic scheme, it will end in violence. If a pure faith scheme - sometimes called the fundamentalist scheme in modern parlance - you'll end in violence too.
In a scheme of policy which is devised for a nation, we should not limit our views to its operation during a single year, or even for a short term of years. We should look at its operation for a considerable time, and in war as well as in peace.
Even if we ignore the 'non-theoretical' knowledge which we acquire through experience (such as the knowledge of what something tastes like) and concentrate on theoretical knowledge, there is no good reason to think that physics can literally give the theory of everything. Here I want to be really pedantic. Although everything may be subject to physical law, not everything can be explained or described in physical terms. Physics has literally nothing to say about society, morality and the mind, for example - but of course these are parts of 'everything'.
I am somewhat uncertain whether there is a definite factual question as to whether natural language handles truth-value gaps. Nor am I even quite sure that there is a definite question of fact as to whether natural language should be evaluated by the minimal fixed point or another, given the choice of a scheme for handling gaps. We are not at the moment searching for the correct scheme.
A practical scheme, says Oscar Wilde, is either one already in existence, or a scheme that could be carried out under the existing conditions; but it is exactly the existing conditions that one objects to, and any scheme that could accept these conditions is wrong and foolish.
A display connected to a digital computer gives us a chance to gain familiarity with concepts not realizable in the physical world. It is a looking glass into a mathematical wonderland.
Development seems to have become the agenda only of government. It is seen as a scheme. That should not be the case. Development should be everyone`s agenda. It should be a people's movement.
The Old and New Testaments contain but one scheme of religion. Neither part of this scheme can be understood without the other.
It is impossible to discuss realism in logic without drawing in the empirical sciences... A truly realistic mathematics should be conceived, in line with physics, as a branch of the theoretical construction of the one real world and should adopt the same sober and cautious attitude toward hypothetic extensions of its foundation as is exhibited by physics.
Here is a quilted book about mathematical practice, each patch wonderfully prepared. Part invitation to number theory, part autobiography, part sociology of mathematical training, Mathematics without Apologies brings us into contemporary mathematics as a living, active inquiry by real people. Anyone wanting a varied, cultured, and penetrating view of today's mathematics could find no better place to engage.
You have introduced a topic on which our natures are at variance - a topic we should never discuss: the very name of love is an apple of discord between us. If the reality were required, what should we do? How should we feel? My dear cousin, abandon your scheme of marriage - forget it.
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