A Quote by Carl Sagan

[One's] inability to invalidate your hypothesis is not at all the same thing as proving it true. — © Carl Sagan
[One's] inability to invalidate your hypothesis is not at all the same thing as proving it true.
Don't just read it; fight it! Ask your own question, look for your own examples, discover your own proofs. Is the hypothesis necessary? Is the converse true? ... Where does the proof use the hypothesis?
Current organisms have a higher probability of sharing a single code if the common ancestry hypothesis is true than they'd have if the hypothesis of separate ancestry were true. That is, the simpler hypothesis has the higher likelihood in the technical sense of "likelihood" used in statistics.
I don't understand racism. We are all the same and I have the perfect hypothesis to prove it. I play to all those countries and they cry in all the same places in my show. They laugh in the same places. They become hysterical in the same places. They faint in the same places and that's the perfect hypothesis. There is a commonality that we are all the same.
Mr. Darwin's hypothesis is not, so far as I am aware, inconsistent with any known biological fact; on the contrary, if admitted, the facts of Development, of Comparative Anatomy, of Geographical Distribution, and of Palaeontology, become connected together, and exhibit a meaning such as they never possessed before; and I, for one, am fully convinced that if not precisely true, that hypothesis is as near an approximation to the truth as, for example, the Copernican hypothesis was to the true theory of the planetary motions.
The intensity of a conviction that a hypothesis is true has no bearing on whether it is true or false. The importance of the strength of our conviction is only to provide a proportionately strong incentive to find out if the hypothesis will stand up to critical evaluation.
I cannot stress often enough that what science is all about is not proving things to be true but proving them to be false.
[Coining phrase "null hypothesis"] In relation to any experiment we may speak of this hypothesis as the "null hypothesis," and it should be noted that the null hypothesis is never proved or established, but is possibly disproved, in the course of experimentation. Every experiment may be said to exist only in order to give the facts a chance of disproving the null hypothesis.
I do not yet want to form a hypothesis to test, because as soon as you make a hypothesis, you become prejudiced. Your mind slides into a groove, and once it is in that groove, has difficulty noticing anything outside of it. During this time, my sense must be sharp; that is the main thing - to be sharp, yet open.
God is one among several hypotheses to account for the phenomena of human destiny, and it is now proving to be an inadequate hypothesis. To a great many people, including myself, this realization is a great relief, both intellectually and morally. It frees us to explore the real phenomena for which the God hypothesis seeks to account, to define them more accurately, and to work for a more satisfying set of concepts.
An inability to handle language is not the same thing as stupidity.
If we consistently act on the optimistic hypothesis, this hypothesis will tend to be realised; whilst by acting on the pessimistic hypothesis we can keep ourselves for ever in the pit of want.
God is faithful and true. Confess your inability and His ability, and keep your eyes on Him.
Firmness in decision is often merely a form of stupidity. It indicates an inability to think the same thing out twice.
If the hypothesis of evolution is true, living matter must have arisen from non-living matter; for by the hypothesis the condition of the globe was at one time such, that living matter could not have existed in it, life being entirely incompatible with the gaseous state.
But I should be very sorry if an interpretation founded on a most conjectural scientific hypothesis were to get fastened to the text in Genesis... The rate of change of scientific hypothesis is naturally much more rapid than that of Biblical interpretations, so that if an interpretation is founded on such an hypothesis, it may help to keep the hypothesis above ground long after it ought to be buried and forgotten.
There was a part, you know, obviously there was a part of the whole I military experience that you know like hooks right into the whole boyhood experience that that you know most American boys have growing up, you know, which is proving your manhood by proving how hard you are, by proving that you can take it.
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