Whether or not you can observe a thing depends upon the theory you use. It is the theory which decides what can… — Albert Einstein Copy Share Image
Collect all the facts that can be collected about the life of Racine and you will never learn from them the art… — Paul Valery Copy Share Image
It is instructive, although somewhat disheartening, for the ardent advocate of a purely scientific psychology to contrast the practice and theories of… — George Trumbull Ladd Copy Share Image
Before going back to college, i knew i didn't want to be an intellectual, spending my life in books and libraries without… — Assata Shakur Copy Share Image
The words 'theory' and 'practice' are of Greek origin; they carry our thoughts back to the ancient philosophers by whom they were… — William John Macquorn Rankine Copy Share Image
At present every coachman and every waiter argues about whether or not the relativity theory is correct. — Albert Einstein Copy Share Image
the truth and value of a theory does not depend on the number of people who are interested in it - otherwise… — Dorothy L. Sayers Copy Share Image
Time travel used to be thought of as just science fiction, but Einstein's general theory of relativity allows for the possibility that… — Stephen Hawking Copy Share Image
One’s life and passion may be elsewhere, but New York is where you prove if what you think in theory makes sense… — Miuccia Prada Copy Share Image
It turned out I was pretty good in science. But again, because of the small budget, in science class we couldn't afford… — George Carlin Copy Share Image
The only way to have real success in science, the field I'm familiar with, is to describe the evidence very carefully without… — Richard P. Feynman Copy Share Image
That's what in theory differentiates a writer from everyone else. You see and hear more clearly. — Don DeLillo Copy Share Image
The moment a person forms a theory, his imagination sees in every object only the traits which favor that theory. — Thomas Jefferson Copy Share Image
Let's develop theories, patiently and honestly thinking them out, in order to promptly act against them – acting and justifying our actions… — Fernando Pessoa Copy Share Image
On your way towards becoming a bad theoretician, take your own immature theory, stop checking it for mistakes, don't listen to colleagues… — Gerard 't Hooft Copy Share Image
Darwin's theory of evolution is the last of the great nineteenth-century mystery religions. And as we speak it is now following Freudians… — David Berlinski Copy Share Image
There is no logical basis to support the theory that plants feel pain. The dubious possibility that they might, however, is no… — Joanne Stepaniak Copy Share Image
To put it bluntly, there isn't one economic theory that can single-handedly explain Singapore's success; its economy combines extreme features of capitalism… — Ha-Joon Chang Copy Share Image
No theory changes what it is a theory about. Nothing is changed because we look at it, talk about it, or analyze… — B. F. Skinner Copy Share Image
For the introvert, conversation can be a very limited forum for self expression. When a song moves you, a writer gets you… — Laurie Helgoe Copy Share Image
The scientific study of labor economics provided the opportunity for me to unite theory with evidence my lifetime intellectual passion. — James Heckman Copy Share Image
Of course the theory of evolution would be vacuous if it offered a glib explanation for every inexplicable act. — Steven Pinker Copy Share Image
In no other branch of mathematics is it so easy for experts to blunder as in probability theory. — Martin Gardner Copy Share Image
No religious position is loyally served by refusing to consider annoying theories which may well turn out to be facts. — Norman Lamm Copy Share Image
[Evolution] doesn't mean God-guided, gradual creation. It means unguided, purposeless change. The Darwinian theory doesn't say that God created slowly. It says… — Philip Johnson Copy Share Image
The theory of numbers, more than any other branch of mathematics, began by being an experimental science. Its most famous theorems have… — G. H. Hardy Copy Share Image
I have a theory of living on the boundary: on the boundary of patriarchy and the boundary of different dimensions. — Mary Daly Copy Share Image
Relativity theory forced the abandonment, in principle, of absolute space and absolute time. — Marshall McLuhan Copy Share Image
You have nothing to do but mention the quantum theory, and people will take your voice for the voice of science, and… — George Bernard Shaw Copy Share Image
Going into 2010, we didn't expect the consumer pullback that happened. We all thought that the theory that concerts are recession-proof was true. — Michael Rapino Copy Share Image
There's two theories to arguing with a woman. Neither one works. Will Rogers The reason that there are so few women comics… — Anna Russell Copy Share Image
Put bluntly, the American church today accepts grace in theory but denies it in practice. We say we believe that the fundamental… — Brennan Manning Copy Share Image
Good theories of the mind must span at least three different scales of time: slow, for the billions of years in which… — Marvin Minsky Copy Share Image
Knowledge is not a series of self consistent theories that converges towards an ideal view; it is rather an ever increasing ocean… — Paul Feyerabend Copy Share Image
Max Weber was right in subscribing to the view that one need not be Caesar in order to understand Caesar. But there… — Robert K. Merton Copy Share Image
If we need a true conception of the popular character to guide our sympathies rightly, we need it equally to check our… — George Eliot Copy Share Image
All doctrines relating to the creation of the world, the government of man by superior beings, and his destiny after death, are… — William Winwood Reade Copy Share Image
How could so many intelligent people be so grievously wrong for such an extended period of time? How could they ignore so… — Steven Johnson Copy Share Image
A theory that you can't explain to a bartender is probably no damn good. — Ernest Rutherford Copy Share Image
In theory, taxes should be like shopping. What I buy is government services. What I pay are my taxes. — P. J. O'Rourke Copy Share Image
![“The words 'theory' and 'practice' are of Greek origin; they carry our thoughts back to the ancient philosophers by whom they were contrived, and by whom they were also contrasted and placed in opposition, as denoting two mutually conflicting and mutually inconsistent ideas. ... [this fallacy]…” quote by William John Macquorn Rankine](https://sms4smile.com/quotes/img-quotes/617/william-john-macquorn-rankine_ancient_the-words-theory-and-practice-are-of-gre_2795808.jpg)
![“[Evolution] doesn't mean God-guided, gradual creation. It means unguided, purposeless change. The Darwinian theory doesn't say that God created slowly. It says that naturalistic evolution is the creator, and so God had nothing to do with it.” quote by Philip Johnson](https://sms4smile.com/quotes/img-quotes/bfa/philip-johnson-10392_change_evolution-doesn-t-mean-god-guided-gradua_2809135.jpg)
