Scientists do not collect data randomly and utterly comprehensively. The data they collect are only those that they consider *relevant* to some hypothesis or theory.
James David Lewis-WilliamsStichwörter: science theory hypothesis data
Look ... first and foremost, I'm a scientist. That means it's my responsibility to make observations and gather evidence before forming a hypothesis, not vice versa.
Allen M. SteeleStichwörter: science scientists scientific-method evidence hypothesis observations scientific-inquiry hypotheses
It necessarily follows that chance alone is at the source of every innovation, and of all creation in the biosphere. Pure chance, absolutely free but blind, at the very root of the stupendous edifice of evolution: this central concept of modern biology is no longer one among many other possible or even conceivable hypotheses. It is today the sole conceivable hypothesis, the only one that squares with observed and tested fact. And nothing warrants the supposition - or the hope - that on this score our position is ever likely to be revised. There is no scientific concept, in any of the sciences, more destructive of anthropocentrism than this one.
Jacques MonodStichwörter: science biology hope fact chance facts observation evidence innovation hypothesis anthropocentrism tests biosphere central-concept
I am now convinced that we have recently become possessed of experimental evidence of the discrete or grained nature of matter, which the atomic hypothesis sought in vain for hundreds and thousands of years. The isolation and counting of gaseous ions, on the one hand, which have crowned with success the long and brilliant researches of J.J. Thomson, and, on the other, agreement of the Brownian movement with the requirements of the kinetic hypothesis, established by many investigators and most conclusively by J. Perrin, justify the most cautious scientist in now speaking of the experimental proof of the atomic nature of matter, The atomic hypothesis is thus raised to the position of a scientifically well-founded theory, and can claim a place in a text-book intended for use as an introduction to the present state of our knowledge of General Chemistry.
Wilhelm OstwaldStichwörter: nature theory justification evidence proof chemistry hypothesis atoms scientific-theory matter atomic-theory brownian j-j-thomson j-perrin
It matters not to an empiricist from what quarter an hypothesis may come to him: he may have acquired it by fair means or by foul; passion may have whispered or accident suggested it; but if the total drift of thinking continues to confirm it, that is what he means by its being true.
William JamesStichwörter: hypothesis empiricism
In choosing a hypothesis there is no virtue in being timid. I clearly would have been burned at the stake in another age.
Thomas GoldStichwörter: science age virtue bravery brave intolerance heretic hypothesis heresy timid stake burned
One of the recent arguments from design, that based on the so-called fine-tuning life of some fundamental physical constants, founders on the following objections: an extremely small prior probability merited by the God of theism in light – if that is the right word – of the Problem of Evil; the fact that it is not unreasonable to place a substantial probability on the hypothesis that a future theory will fix those values; and the sheer incoherence of computations of the ‘chances’ of fine-tuning were there no fine-tuner.
Colin HowsonStichwörter: reason philosophy atheism values theory probability hypothesis problem-of-evil coherence atheist-arguments argument-from-design-debunked fine-tuning-debunked god-of-theism
Any physical theory is always provisional, in the sense that it is only a hypothesis: you can never prove it. No matter how many times the results of experiments agree with some theory, you can never be sure that the next time the result will not contradict the theory.
Stephen HawkingStichwörter: theories theory contradiction hypothesis results result experiment prove experiments jack-goldenberg
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