Doe Quote by Francisco J. Ayala

A system is empirical or scientific only if it is capable of being tested by experience. These considerations suggest that not the verifiability but…

— Karl Popper

Don't confuse hypothesis and theory. The former is a possible explanation; the latter, the correct one. The establishment of theory is the very purpose…

— Martin H. Fischer

“Occam's Razor" was a principle designed to urge one to select the hypothesis or theory that made the fewest assumptions. Though on the surface…

— Steven Konkoly

Do not say hypothesis, and even less theory: say way of thinking.

— Georg C. Lichtenberg

A hypothesis or theory is clear, decisive, and positive, but it is believed by no one but the man who created it. Experimental findings,…

— Harlow Shapley

An idea can be tested, whereas if you have no idea, nothing can be tested and you don't understand anything. The molecule that you…

— James D. Watson

The hypothesis may be put forward, to be tested by the s subsequent investigation, that this development has been in large part a matter…

— Talcott Parsons

Too much openness and you accept every notion, idea, and hypothesis-which is tantamount to knowing nothing. Too much skepticism-especially rejection of new ideas before…

— Carl Sagan

Empirical debunking cannot reach the deepest fear of the reactionary mind, which is that the state - that devouring leviathan - will soon swallow…

— Rick Perlstein

The child who has no need to feign empirical knowledge about life can wonder and fantasise with great ease. The world is his oyster,…

— Michael Leunig

“Empirical reality becomes nature when we view it with respect to its universal characteristics; it becomes history when we view it as particular and…

— Terry Nardin

Investing is not a natural science but rather a social science. So, it's never purely empirical; what you are trying to do is everything…

— William Browne