Conviction Quote by Maurice Allais

A theory should not attempt to explain all the facts, because some of the facts are wrong

— Francis Crick

“It is a common weakness that when concrete facts do not match up with our preconceived theories, we prefer to keep our theories and…

— Raphael Gasson

When we meet a fact which contradicts a prevailing theory, we must accept the fact and abandon the theory, even when the theory is…

— Claude Bernard

Almost all the other fellows do not look from the facts to the theory but from the theory to the facts; they cannot get…

— Albert Einstein

Theory helps us to bear our ignorance of facts.

— George Santayana

Facts do not speak for themselves. They speak for or against competing theories. Facts divorced from theories or visions are mere isolated curiosities.

— Thomas Sowell

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

— Paul Feyerabend

Theories are not rejected by cirsumstantial evidence: it takes a theory to beat a theory.

— George Stigler

History has got a lot to do with unique circumstances under certain particular cases and grand theories will always find counter cases. I don't…

— Richard Lewontin

“They conceive a certain theory, and everything has to fit into that theory. If one little fact will not fit it, they throw it…

— Agatha Christie

The common idea that scientists reject a theory as soon as it leads to a contradiction is just not so. When they get something…

— Vannevar Bush

Most people find facts irritating. Facts interfere with their systems of denial.

— Walter Darby Bannard