Facts Quote by Francis Crick

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

If a theory purports to explain everything, then it is likely not explaining much at all.

— Massimo Pigliucci

Theories are not so much wrong as incomplete

— Isaac Asimov

If facts conflict with a theory, either the theory must be changed or the facts.

— Baruch Spinoza

No single theory ever agrees with all the facts in its domain

— Paul Feyerabend

If the facts don't fit the theory, change the facts.

— Anonymous

Never abandon a theory that explains something until you have a theory that explains more.

— John McCarthy

Theory helps us to bear our ignorance of facts.

— George Santayana

If a theory can not be explained to a child, then the theory is probably worthless.

— Albert Einstein

A theory accepted by 99 percent of scientists may be wrong.

— Tom Bethell

That theory is worthless. It isn't even wrong!

— Wolfgang Pauli

A theory that explains everything, explains nothing

— Karl Popper