Astronomers Quote by Joao Magueijo

As a scientist, I don't believe anything. Science shouldn't use the word belief. There are things more likely and less likely. Science can say…

— Lawrence M. Krauss

That which is provable, ought not to be believed in science without proof.

— Richard Dedekind

It is an acknowledged truth in philosophy that a just theory will always be confirmed by experiment.

— Thomas Malthus

No one believes an hypothesis except its originator but everyone believes an experiment except the experimenter. Most people are ready to believe something based…

— William Ian Beardmore Beveridge

We have reached a situation where a theory has been accepted as fact by some, and possible contrary evidence is shunted aside. [This is]…

— Robert Shapiro

Science has so accustomed us to devising and accepting theories to account for the facts we observe, however fantastic, that our minds must begin…

— Gene Wolfe

“[Modern scientific] theories can necessarily never be more than hypothetical, since their starting-point is wholly empirical, for facts in themselves are always susceptible of…

— René Guénon

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

— Jerry A. Coyne

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

It is often said that science must avoid any conclusions which smack of the supernatural.

— Michael Behe

No matter how many times something has been observed, it cannot be believed until it has been observed again.

— Halton Arp

In the absence of evidence, the scientist says, 'I don't know,' but the religionist says, 'I believe.'

— David Eller