In theory, there is no difference between theory and practice. But, in practice, there is.
Manfred Eigen

Architecture doesn't come from theory. You don't think your way through a building.
Arthur Erickson

My theory about Jack is that he's not a very good parent.
Victor Garber

I don't like writing essays or theory.
Adrian Mitchell

My theory is that I decided to be a writer when I was about seven, but of course it is not as simple as that. Like most writers, I had to work at other things to earn a living and wrote mainly in the evenings, often very late at night, for many years.
Margaret Mahy

Internationalism is a community theory of society which is founded on economic, spiritual, and biological facts. It maintains that respect for a healthy development of human society and of world civilization requires that mankind be organized internationally.
Christian Lous Lange

A theory has only the alternative of being right or wrong. A model has a third possibility: it may be right, but irrelevant.
Manfred Eigen

I love it now that a large minority of people who are handicapped prefer to call themselves crippled. This is all part of the game, like queer theory.
Leslie Fiedler

Internationalism is a social and political theory, a certain concept of how human society ought to be organized, and in particular a concept of how the nations ought to organize their mutual relations.
Christian Lous Lange

In theory, I'd like to work in a group. But the group I'd like to work in, all the musicians in them are long since dead.
Robert Wyatt

The Independent or Congregational theory includes two principles; first, that the governing and executive power in the Church is in the brotherhood; and secondly, that the Church organization is complete in each worshipping assembly, which is independent of every other.
Charles Hodge

According to String Theory, what appears to be empty space is actually a tumultuous ocean of strings vibrating at the precise frequencies that create the 4 dimensions you and I call height, width, depth and time.
Roy H. Williams

Well, in The Chosen, Danny Saunders, from the heart of his religious reading of the world, encounters an element in the very heart of the secular readings of the world - Freudian psychoanalytic theory.
Chaim Potok

My theory about creativity is that the more money one has, the more creative one can be.
Robert Mapplethorpe

My theory is if you have a religion, it's a good one. Because some people don't have any at all.
Tom T. Hall

My favorite laser disk ever was the laser disk for The Graduate, which had a commentary track that wasn't even the filmmakers, it was a professor, some film criticism guy who just happen to be this amazing commentator who went off into the whole theory of comedy.
Jay Roach

In short, both experience and economic theory imply that the US could now t to a more competitive dollar without experiencing either increased inflation or decreased economic growth.
Martin Feldstein

I have a theory because I was being beaten up a lot by people outside of school, it was almost like if I could make myself sick enough they'd take sympathy on me.
Daniel Johns

The worst censors are those prohibiting criticism of the theory of evolution in the classroom.
Phyllis Schlafly

And it really began with Einstein. We attended his lectures. Now the theory of relativity remained - and still remains - only a theory. It has not been proven. But it suggested a completely different picture of the physical world.
Douglas Sirk