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Caston Bachelard
(1884 - 1962)
French philosopher and science historian.
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Science Quotes by Caston Bachelard (1)
Any work of science, no matter what its point of departure, cannot become fully convincing until it crosses the boundary between the theoretical and the experimental: Experimentation must give way to argument, and argument must have recourse to experimentation.
— Caston Bachelard
The New Scientific Spirit (1934), trans. A. Goldhammer (1984), 3-4.

In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion.
(1987) --
Carl Sagan
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