Belief Quote by Steven Weinberg

At any one time there is a natural tendency among physicists to believe that we already know the essential ingredients of a comprehensive theory…

— Val Logsdon Fitch

Our hypotheses are initially rooted in theoretical consistency and elegance, but...ultimatel y it is experiment not rigid belief that determines what is correct.

— Lisa Randall

The hypothesis may be put forward, to be tested by the s subsequent investigation, that this development has been in large part a matter…

— Talcott Parsons

Old ideas are continually being slain by new facts. There is nothing stable in the conclusions of the mind, and it is impossible that…

— Edith Hamilton

Theory must mediate between all previous truths and certain new experiences

— William James

Progress is achieved by exchanging our theories for new ones which go further than the old, until we find one based on a larger…

— Claude Bernard

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

That's how the scientists discover new science. They start out with a hypothesis--an idea--and then others believe enough in the idea that they make…

— Esther Hicks

Although scientists can often be as resistant to new ideas as anyone, the process of science ensures that, over time, good ideas and theories…

— Dean Ornish

I don't believe that the ultimate theory will come by steady work along existing lines. We need something new. We can't predict what that…

— Stephen Hawking

The more experiences and experiments accumulate in the exploration of nature, the more precarious the theories become. But it is not always good to…

— Georg C. Lichtenberg

Theories are just fantasies. And they change.

— Michael Crichton