The facts which have caused us to believe in the dominance of the pleasure principle in mental life also find expression in… — Sigmund Freud Copy Share Image
The knowledge of Natural-History, being Observation of Matters of Fact, is more certain than most others, and in my slender Opinion, less… — Hans Sloane Copy Share Image
Keynes was a great economist. In every discipline, progress comes from people who make hypotheses, most of which turn out to be… — Milton Friedman Copy Share Image
There's two possible outcomes: if the result confirms the hypothesis, then you've made a discovery. If the result is contrary to the… — Enrico Fermi Copy Share Image
The shrewd guess, the fertile hypothesis, the courageous leap to a tentative conclusion - these are the most valuable coins of the… — Jerome Bruner Copy Share Image
The adaptive markets hypothesis says that all economic institutions, like our own species, develop and change over time, depending on the population… — Andrew Lo Copy Share Image
History, human or geological, represents our hypothesis, couched in terms of past events, devised to explain our present-day observations. — M. King Hubbert Copy Share Image
If you have evidence that C1 is a cause of E, and no evidence as to whether C2 is also a cause… — Elliott Sober Copy Share Image
If complex organisms demand an explanation, so does a complex designer. And it's no solution to raise the theologian's plea that God… — Richard Dawkins Copy Share Image
Evolution is not truth; it is merely a hypothesis-it is millions of guesses strung together. — William Jennings Bryan Copy Share Image
You can't prove any hypothesis, you can only improve or disprove it. — Christopher Monckton Copy Share Image
The real question is, Did God use evolution as His plan? If it could be shown that man, instead of being made… — William Jennings Bryan Copy Share Image
I formed the hypothesis that each of us could have achieved our objectives without the terrible loss of life. And I wanted… — Robert McNamara Copy Share Image
I tell you what you’ll never really know: all the medical hypothesis that explained my brain will never be as true as… — Anne Sexton Copy Share Image
Look ... first and foremost, I'm a scientist. That means it's my responsibility to make observations and gather evidence before forming a… — Allen Steele Copy Share Image
Even facts become fictions without adequate ways of seeing "the facts". We do not need theories so much as the experience that… — Anonymous Copy Share Image
Have the models been successful in predicting anything? They, of course, predict substantial global warming. This is not surprising given the expressed… — David Douglas Copy Share Image
All things considered, I can see no reason to adopt the afterlife hypothesis. I am sure I shall remain in a minority… — Susan Blackmore Copy Share Image
Science sometimes improves hypotheses and sometimes disproves them. But proof would be another matter and perhaps never occurs except in the realms… — Gregory Bateson Copy Share Image
There is no other proposition in economics that has more solid empirical evidence supporting it than the Efficient Market Hypothesis... In the… — Michael Jensen Copy Share Image
The number of hypotheses and theories about climate change are numerous. Quite naturally they have caught the public attention, as any proof… — Eduard Bruckner Copy Share Image
If the hypothesis of evolution is true, living matter must have arisen from non-living matter; for by the hypothesis the condition of… — Thomas Huxley Copy Share Image
Our assent to the hypothesis implies that it is held to be true of all particular instances. That these cases belong to… — William Whewell Copy Share Image
...great difficulties are felt at first and these cannot be overcome except by starting from experiments .. and then be conceiving certain… — Christiaan Huygens Copy Share Image