In theory, theory and practice are the same. In practice, they are not. — Albert Einstein Copy Share Image
Evolutionary theory has nothing to say, in general, as to whether cheating is more advantageous than cooperating. There are many circumstances in… — Noam Chomsky Copy Share Image
I failed math twice, never fully grasping probability theory. I mean, first off, who cares if you pick a black ball or… — Janet Evanovich Copy Share Image
Irish nationalists can never be the assenting parties to the mutilation of the Irish nation. The two nation theory is to us… — John Redmond Copy Share Image
The theory of marketing is solid but the practice of marketing leaves much to be desired. — Philip Kotler Copy Share Image
They've discovered that, where all the other galaxies are moving in one direction, ours is going in another. Now, the Big Bang… — Dwight Schultz Copy Share Image
From your first day at school you are cut off from life to make theories. — Taisen Deshimaru Copy Share Image
I have a theory... that someplace at the heart of most compelling stories is something that doesn't make sense. — Richard Ford Copy Share Image
But the nature of my main work in chemistry can be better represented by more than 280 English publications, of which roughly… — Kenichi Fukui Copy Share Image
We lay down a fundamental principle of generalization by abstraction: The existence of analogies between central features of various theories implies the… — E. H. Moore Copy Share Image
My theory was that what I had to do was make a study of human behavior. — A. E. van Vogt Copy Share Image
Men who believe too firmly in their theories, do not believe enough in the theories of others. So ... these despisers of… — Claude Bernard Copy Share Image
I worked hard learning harmony and theory when I was growing up in Chicago in the 1920s. — Lionel Hampton Copy Share Image
I have resisted the term sociolinguistics for many years, since it implies that there can be a successful linguistic theory or practice… — William Labov Copy Share Image
The effects of heat are subject to constant laws which cannot be discovered without the aid of mathematical analysis. The object of… — Joseph Fourier Copy Share Image
The idea that human beings have changed and are changing the basic climate system of the Earth through their industrial activities and… — Paul Johnson Copy Share Image
The joys of theory are the sweetest intellectual pleasures of life — Ludwig Feuerbach Copy Share Image
I have my own theory about why decline happens at companies like IBM or Microsoft. The company does a great job, innovates… — Walter Isaacson Copy Share Image
In thermodynamics as well as in other branches of molecular physics , the laws of phenomena have to a certain extent been… — William John Macquorn Rankine Copy Share Image
If there's been any use of nerve gas it's the rebels that used it. If there has been a use of chemical… — George Galloway Copy Share Image
Being a physicist, not a philosopher, I have devised an entirely new theory of consciousness, allowing one to numerically calculate the level… — Michio Kaku Copy Share Image
It is better to be a fool than to be dead. It is better to emit a scream in the shape of… — Robert Louis Stevenson Copy Share Image
In 2002, a Scottish journalist, during a dinner meant to be private, absolutely wanted me to react to Stephen Hawking's comments. I… — Peter Higgs Copy Share Image
In point of fact, no conclusive disproof of a theory can ever be produced; for it is always possible to say that… — Karl Popper Copy Share Image
