Accepting Quote by Ian Stevenson

But that the reasoning from these facts, the drawing from them correct conclusions, is a matter of great difficulty, may be inferred from the…

— Nassau William Senior

The body of science is not, as it is sometimes thought, a huge coherent mass of facts, neatly arranged in sequence, each one attached…

— Lewis Thomas

Of course, if one ignores contradictory observations, one can claim to have an "elegant" or "robust" theory. But it isn't science.

— Halton Arp

It is a good principle in science not to believe any 'fact'---however well attested---until it fits into some accepted frame of reference. Occasionally, of…

— Arthur C. Clarke

“The successful development of science requires a proper balance to be maintained between the method of building up from observations and the method of…

— Paul A.M. Dirac

“The practice of good science requires that when we observe something that doesn’t fit a hypothesis, these observations need to be reckoned with somehow.”

— Nina Teicholz

It surely can be no offence to state, that the progress of science has led to new views, and that the consequences that can…

— Anonymous

Occurrences which according to received theories ought not to happen, are the facts which serve as clues to new discoveries

— John Herschel

“The popular view that scientists proceed inexorably from well-established fact to well-established fact, never being influenced by any unproved conjecture, is quite mistaken. Provided…

— Andrew Hodges

When there are conflicts of observation, when experiments cannot be replicated, scientists may then retreat to a study of the various specific observations so…

— Ernest Sosa

Progress in science comes when experiments contradict theory.

— Richard P. Feynman

Thus even supposedly unadulterated facts of observation already are interfused with all sorts of conceptual pictures, model concepts, theories or whatever expression you choose.…

— Ludwig von Bertalanffy