Quote by Carlo Rovelli

“Clues put us on the right path toward a correct theory. Strong evidence is that which subsequently allows us to trust whether the theory…

— Carlo Rovelli

“There are plenty of theories to listen to and follow but truth yearns to be discovered. When you find it, there is no doubt…

— E'yen A. Gardner

“There is no theory that is not a fragment, carefully prepared, of some autobiography.”

— Paul Valery

“No scientific theory can claim absolutely certainty.”

— David Christian

“But discoveries are what usually egg us on. Not finding anything would be very bad indeed.”

— John Brockman

“metaphysics by showing that these theories are not just false, but unintelligible.”

— David Hume

“I don't have any theories-- all I have are the facts.”

— Former FBI Special Agent Zack Shelton

“and I think (like you, by the way) that theory cannot be fabricated out of the results of observation, but that it can only…

— Albert Einstein

“The discovery of instances which confirm a theory means very little if we have not tried, and failed, to discover refutations. For if we…

— Karl Popper

“We’ve been half right about a lot of things, but there’s something missing from our theories, something whose nature we haven’t even guessed yet.…

— Greg Egan

“The more science discovers and the more comprehension it gives us of the mechanisms of existence, the more clearly does the mystery of existence…

— Aldous Huxley

“It is human nature to concoct explanations to fill the great void of the unknown.”

— Rae Carson