You put three facts together - that all organisms produce more offspring that can survive, that there's variation among organisms, and that at least some of that variation is inherited - and the syllogistic inference is natural selection.
Stephen Jay GouldWhen people learn no tools of judgment and merely follow their hopes, the seeds of political manipulation are sown.
Stephen Jay GouldWorld views are social constructions and they channel the search for facts. But facts are found and knowledge progresses, however fitfully.
Stephen Jay GouldThe invalid assumption that correlation implies cause is probably among the two or three most serious and common errors of human reasoning.
Stephen Jay Gould