Comprehensive Quote by Abraham Maslow

The method of science depends on our attempts to describe the world with simple theories: theories that are complex may become untestable, even if…

— Karl Popper

A good scientific theory is one which is falsifiable, which has not been falsified.

— Richard Dawkins

A scientifically unimportant discovery is one which, however true and however interesting for other reasons, has no consequences for a system of theory with…

— Talcott Parsons

And what is impossible to science?

— Friedrich Engels

“It is impossible to do science in the absence of a pre-existing theory. (p.125)”

— Kathryn Schulz

“Theory in any branch of science entails a risk of detachment from reality”

— Quammen, David

A theory is scientific only if it can be disproved. But the moment you try to cover absolutely everything the chances are that you…

— Hermann Bondi

If you can't think of an observation that could disprove a theory, that theory simply isn't scientific.

— Jerry A. Coyne

but, in reality, there is no such thing as an exact science.

— William Stanley Jevons

[we see that] science is eminently perfectible, and that each theory has constantly to give way to a fresh one.

— Jules Verne

The situation in the sciences is this: A concept or an idea which cannot be measured or cannot be referred directly to experiment may…

— Richard P. Feynman

A theory which is not refutable by any conceivable event is non-scientific. Irrefutability is not a virtue of a theory (as people often think)…

— Karl Popper