Quotes About Theory

Economics has never been a science - and it is even less now than a few years ago.

Theorists have wonderful ideas which take years and years to be verified.

Today's practicality is often no more than the accepted form of yesterday's theory.

Even before I came to Chicago, I had gotten interested in the existence of dispersion of prices under conditions which economic theory said would yield a single price.

Trump survives by Corum's Law. This is a famous, well-tested theory and is named after Bill Corum, who once wrote sports for the Hearst papers when they were in New York.

A scale is just the notes that are in a chord played one at a time instead of together. That's what has allowed me to go through the possible notes that work with a chord and make choices about which ones I like best. I go through by ear; you can do it by theory too, but the best way is to learn by ear.

Rousseau ranks among the great educational theorists of the modern era, even if he was the last man to put in charge of a classroom. Young adults, he thought, should be allowed to develop their capabilities in their distinctive way.

It is impossible to trap modern physics into predicting anything with perfect determinism because it deals with probabilities from the outset.

Chemistry, until my childhood, not that long ago, was regarded as a calculating device. Because you couldn't reduce to physics. So it's just some way of calculating the result of experiments. The Bohr atom was treated that way.

Quantum field theory was originally developed for the treatment of electrodynamics, immediately after the completion of quantum mechanics and the discovery of the Dirac equation.

They don't hand out Ph.D.s in test piloting, but you pick up a tremendous amount of scientific and engineering knowledge along the way. After all, when you take up a brand new plane and put it through its paces to see if it will hang together, you are really flying somebody's theory.

I had faith in the concept and the theory that all Americans are endowed with the right to a fair trial and I would be fairly judged and fairly tried.

No ideology or psychological theory can possibly do justice to the full range of human experience.

Climate change is the perfect pseudoscientific theory for a big government politician who wants more power. Why? Because it is a theory that can never be disproven.

If you want me to rule out ever being Manchester United manager, I can't. Special clubs need special managers, so in theory it could work.

I am pragmatic. That which works, works, and theory can go screw itself. However, my pragmatism also extends to maintainability, which is why I also want it done well.

Geologists, however, had found no such myriad of transitional forms leading to the Cambrian fauna. Instead, the stratigraphic column seemed to document the abrupt appearance of the earliest animals. Agassiz thought the evidence of abrupt appearance, and the absence of ancestral forms in the Precambrian, refuted Darwin's theory.

Darwin's Origin explained many classes of biological evidence with just two central organizing ideas. The twin pillars of his theory were the ideas of universal common ancestry and natural selection.

intelligent design is an evidence-based scientific theory about life's origins that challenges strictly materialistic views of evolution.

As Chen explained, the Chinese fossils turn Darwin's tree of life "upside down.

Methodological naturalism asserts that , to qualify as scientific, a theory must explain all phenomena by reference to purely physical or material--that is, non-intelligent or non-purposive--causes or processes.

Since the most exquisitely delicate structures, as well as embryonic phases of growth of the most perishable nature, have been preserved from very early deposits, we have no right to infer the disappearance of types because their absence disproves some favorite [i.e., Darwinian] theory."25

host of distinguished biologists have explained in recent technical papers, small-scale, or "microevolutionary," change cannot be extrapolated to explain large-scale, or "macroevolutionary," innovation

In On the Origin of Species, Darwin openly acknowledged important weaknesses in his theory and professed his own doubts about key aspects of it. Yet today's public defenders of a Darwin-only science curriculum apparently do not want these, or any other scientific doubts about contemporary Darwinian theory, reported to students.