Under Bayes' theorem, no theory is perfect. Rather, it is a work in progress, always subject to further refinement and testing.
Of habit, the power that keeps the earth from flying to pieces; though there is some silly theory of gravitation.
In this movement of colors I find the essence, which does not arise from a system, or an a priori theory.
It doesn't matter how beautiful your theory is, it doesn't matter how smart you are. If it doesn't agree with experiment, it's wrong.
In the late 19th century, the theory that the Aborigines were an inferior race that was doomed to die out became accepted as fact.
You have to test your hypothesis against other theories. Certainty in the face of complex situations is very dangerous.
Freud was a hero. He descended to the Underworld and met there stark terrors. He carried with him his theory as a Medusa's head which turned these terrors to stone.
Evolutionary theory informs our understanding of some frankly inexcusable social behavior and renders it perfectly normal.
Even if there is only one possible unified theory, it is just a set of rules and equations. What is it that breathes fire into the equations and makes a universe for them to describe?
As the new endogenous growth theory suggests, TFP growth is closely related to accumulation of the intangible capitals, such as human capital and research and development.
I don't actually do any exercise, which is really bad. But I wear heels a lot. My theory is that it's painful, so it's gotta do something.
There's a thing called the 'One Drop' theory in African-American culture, which is if you have one drop of black blood in you, you're black.
It's just a theory really, but I have always thought that your physical surroundings can shape your voice and personality.
There certainly is a tension between the relativity of simultaneity and non-locality in quantum theory, but it's not strong enough to add up to a falsification of either side by itself.
He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.
A theory has only the alternative of being right or wrong. A model has a third possibility: it may be right, but irrelevant.
The state and its elites must be subject, in theory and in practice, to the same laws that its poorest citizens are.
No matter how beautiful the theory, one irritating fact can dismiss the entire formulism, so it has to be proven.
I have a theory that burnout is about resentment. And you beat it by knowing what it is you're giving up that makes you resentful.
I always had the theory that the most important thing is be happy, enjoy what are you doing, and be fresh mentally.
When a torrent sweeps a man against a boulder, you must expect him to scream, and you need not be surprised if the scream is sometimes a theory.
