The older you get, the more theories you make up about things.
Jameson CurrierLet's develop theories patiently and honestly thinking them out, in order to promptly act against them - acting and justifying our actions with new theories that condemn them. Let's cut a path in life then go immediately against that path. Let's adopt all the poses and gestures of something we aren't and don't even wish to be, and don't even wish to taken for being.
Fernando PessoaIt's hard to observe without imposing a theory to explain what we're seeing, but the trouble with theories, as Einstein said, is that they explain not only what is observed but what CAN BE observed. We start to build expectations based on our theories. And often those expectations get in the way.
Michael CrichtonMots clés science theories scientific-theories
Any physical theory is always provisional, in the sense that it is only a hypothesis: you can never prove it. No matter how many times the results of experiments agree with some theory, you can never be sure that the next time the result will not contradict the theory.
Stephen HawkingMots clés theories theory contradiction hypothesis results result experiment prove experiments jack-goldenberg
Much as I admired the elegance of physical theories, which at that time geology wholly lacked, I preferred a life in the woods to one in the laboratory.
J. Tuzo WilsonMots clés science life theories nature wonder admiration elegance geology woods scientist plate-tectonics scenery scientific-theories laboratory lab
...While I rather doubt whether, as has often been claimed, everyone has at least one novel inside them, it is undeniably true of theories...
Richard C. CoxIt is a matter for considerable regret that Fermat, who cultivated the theory of numbers with so much success, did not leave us with the proofs of the theorems he discovered. In truth, Messrs Euler and Lagrange, who have not disdained this kind of research, have proved most of these theorems, and have even substituted extensive theories for the isolated propositions of Fermat. But there are several proofs which have resisted their efforts.
Adrien-Marie LegendreMots clés science theories effort research regret proof scientist fermat lagrange leonhard-euler joseph-louis-lagrange number-theory pierre-de-fermat theorems
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