There is no plausible theory under which the record of the Pentagon Papers can be interpreted as relating to the national defense. – Noam Chomsky
Ultimately, my Ph.D. is in mathematical physics, focusing on quantum field theory and curved space-time, and I worked with Stephen Hawking. – Nathan Myhrvold
I had set out to disprove quantum field theory – and the opposite occurred! I was shocked. – David Gross
A valid scientific theory is predictive, verifiable, and replicable. To me, that’s beautiful. – Dean Ornish
In theory, there is no difference between theory and practice. But, in practice, there is. – Manfred Eigen
I have a theory of living on the boundary: on the boundary of patriarchy and the boundary of different dimensions. – Mary Daly
General relativity is the cornerstone of cosmology and astrophysics. It has also provided the conceptual basis for string theory and other attempts to unify all the forces of nature in terms of geometrical structures. – Paul Davies
A good scientific theory is one which is falsifiable, which has not been falsified. – Richard Dawkins
The evolutionary theory of senescence can be stated as follows: while bodies are not designed to fail, neither are they designed for extended operation. – S. Jay Olshansky
Rational behavior requires theory. Reactive behavior requires only reflex action. – W. Edwards Deming
Thought and theory must precede all salutary action; yet action is nobler in itself than either thought or theory. – Virginia Woolf