Atheism Quote by Nick Matzke

No human investigation can claim to be scientific if it doesn't pass the test of mathematical proof.

— Leonardo da Vinci

There is a philosophy that says that if something is unobservable -- unobservable in principle -- it is not part of science. If there…

— Leonard Susskind

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

— Jerry A. Coyne

True science is never speculative; it employs hypotheses as suggesting points for inquiry, but it never adopts the hypotheses as though they were demonstrated…

— Cleveland Abbe

“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

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

— William Stanley Jevons

Science is about questioning things.

— Alice Roberts

As long as every question is answered by the word "God," scientific inquiry is simply impossible.

— Robert Green Ingersoll

Science has not solved problems, only shifted the points of problems.

— Charles Henry Parkhurst

“There are certain questions that scientists may not ask, or, more accurately, for some questions, there are certain answers that scientists must a priori…

— Satoshi Kanazawa

“Scientists study only those aspects of the universe that it is within their gift to study: what is observable; what is measurable and amenable…

— Colin Tudge

“Science is not about building a body of known ‘facts’. It is a method for asking awkward questions and subjecting them to a reality-check,…

— Terry Pratchett