A world of facts lies outside and beyond the world of words.
Science is simply common sense at its best.
The improver of natural knowledge absolutely refuses to acknowledge authority, as such. For him, skepticism is the highest of duties; blind faith the one unpardonable sin.
My business is to teach my aspirations to confirm themselves to fact, not to try and make facts harmonize with my aspirations.
No delusion is greater than the notion that method and industry can make up for lack of mother-wit, either in science or in practical life.
Science is organized common sense where many a beautiful theory was killed by an ugly fact.
The great tragedy of science--the slaying of a beautiful hypothesis by an ugly fact.