Charles Sanders Peirce

“Hypothesis is where we find some very curious circumstance, which would be explained by the supposition that it was a case of a certain general rule, and thereupon adopt that supposition.”

“Logicality inexorably requires that our interests shall not be limited. They must not stop at our own fate, but must embrace the whole community...Logic is rooted in the social principle.”

“The irritation of doubt is the only immediate motive for the struggle to attain belief. Hence, the sole object of inquiry is the settlement of opinion.”

“Consider what effects, which might conceivably have practical bearings, we conceive the object of our conception to have. Then, our conception of these effects is the whole of our conception of the object.”