Conclusive Quote by Ivan Pavlov

A nice adaptation of conditions will make almost any hypothesis agree with the phenomena. This will please the imagination but does not advance our…

— Joseph Black

I will listen to any hypothesis but on one condition-that you show me a method by which it can be tested.

— August Wilhelm von Hofmann

Although to penetrate into the intimate mysteries of nature and thence to learn the true causes of phenomena is not allowed to us, nevertheless…

— Leonhard Euler

A good physiological experiment like a good physical one requires that it should present anywhere, at any time, under identical conditions, the same certain…

— Anonymous

Proof that a given condition always precedes or accompanies a phenomenon does not warrant concluding with certainty that a given condition is the immediate…

— Claude Bernard

Whenever a true theory appears, it will be its own evidence. Its test is, that it will explain all phenomena.

— Ralph Waldo Emerson

“same phenomenon and concludes that the phenomenon will always occur. Conclusions obtained by induction seem well warranted”

— Morris Kline

Nevertheless, as is a frequent occurrence in science, a general hypothesis was constructed from a few specific instances of a phenomenon.

— Sidney Altman

There are two possible outcomes: if the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis,…

— Enrico Fermi

Without proper experiments I conclude nothing.

— Johannes Kepler

You have to test your hypothesis against other theories. Certainty in the face of complex situations is very dangerous.

— Richard Holbrooke

A good hypothesis in science must have other properties than those of the phenomenon it is immediately invoked to explain, otherwise it is not…

— William James