Many hypotheses proposed by scientists as well as by non scientists turn out to be wrong. But science is a self correcting enterprise. To be accepted… - Carl Sagan

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Many hypotheses proposed by scientists as well as by non scientists turn out to be wrong. But science is a self correcting enterprise. To be accepted, all new ideas must survive rigorous standards of evidence. The worst aspect of the Velikovsky affair is not that his hypotheses were wrong or in contradiction to firmly established facts, but that some who called themselves scientists attempted to suppress Velikovsky's work. Science is generated by and devoted to free inquiry: the idea that any hypothesis, no matter how strange, deserves to be considered on its merits. The suppression of uncomfortable ideas may be common in religion and politics, but it is not the path to knowledge; it has no place in the endeavor of science. We do not know in advance who will discover fundamental new insights.