Common Quote by Vannevar Bush

The overwhelming majority of theories are rejected because they contain bad explanations, not because they fail experimental tests.

— David Deutsch

Those [scientists] who dislike entertaining contradictory thoughts are unlikely to enrich their science with new ideas.

— Max Planck

Every theory presented as a scientific concept is just that; it's a theory that tries to explain more about the world than previous theories…

— Marvin Harris

While it is quite reasonable for scientists to be skeptical of new ideas that do not fit within the accepted realm of scientific knowledge,…

— Stanley B. Prusiner

“Here is Thomas Kuhn, the philosopher of science, describing the way scientists react when their pet theories are unraveling: “What scientists never do when…

— Kathryn Schulz

Scientists have odious manners, except when you prop up their theory; then you can borrow money off them.

— Mark Twain

Scientists tend to be skeptical, but the weakness of the community of science is that it tends to move into preformed establishment modes that…

— Walter Gilbert

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

— George Stigler

Skeptics, who flatly deny the existence of any unexplained phenomenon in the name of 'rationalism,' are among the primary contributors to the rejection of…

— Jacques Vallee

Scientists have odious manners, except when you prop up their theory; then you can borrow money of them.

— Mark Twain

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

— Jerry A. Coyne

Scientists can never be sure about the correctness of their theories. Every theory is just as good as the things it manages to predict…

— Sabelo Lan Mashabela