Rationality Quote by Peter Ackroyd

“Science is progressive and self-correcting: no significantly erroneous conclusions or false hypotheses can be sustained for long, as newer observations will ultimately knock down…

— Francis S. Collins

Theory is worth but little, unless it can explain its own phenomena, and it must effect this without contradicting itself; therefore, the facts are…

— Charles Caleb Colton

“In theory, theory and practice are the same. In practice, they are not. —Albert Einstein”

— Max Tegmark

I think it's a theory, the theory of evolution and I don't accept it as a theory.

— Ron Paul

As soon as science has emerged from its initial stages, theoretical advances are no longer achieved merely by a process of arrangement. Guided by…

— Albert Einstein

If the theory accurately predicts what they [scientists] see, it confirms that it's a good theory. If they see something that the theory didn't…

— Clayton Christensen

The electron is a theory. But the theory is so good we can almost consider them real.

— Richard P. Feynman

No generalizing beyond the data, no theory. No theory, no insight. And if no insight, why do research.

— Henry Mintzberg

No experimental result can ever kill a theory: any theory can be saved from counterinstances either by some auxiliary hypothesis or by a suitable…

— Imre Lakatos

'theres a theory for everything & without theory there is no practice'

— Issac Newton

People are always asking for the latest developments in the unification of this theory with that theory, and they don't give us a chance…

— Richard P. Feynman

In the first stage of insight-building, all that researchers can do is observe phenomena. Second, they classify the phenomena in a way that helps…

— Clayton Christensen