"The Scientific Attitude and Fallibilism in Philosophical Writings of Peirce, selected and edited with an introducton …"

"Few persons care to study logic, because everybody conceives himself to be proficient enough in the art of reasoning …"

"The Protestant churches generally hold that the elements of the sacrament are flesh and blood only in a tropical sens…"

"It is terrible to see how a single unclear idea, a single formula without meaning, lurking in a young man’s head, wil…"

"The consciousness of a general idea has a certain "unity of the ego" in it, which is identical when it passes from on…"

"It is the man of science, eager to have his every opinion regenerated, his every idea rationalized, by drinking at th…"

"You are of all my friends the one who illustrates pragmatism in its most needful forms. You are a jewel of pragmatism."

"It is important to understand what I mean by semiosis. All dynamic action, or action of brute force, physical or psyc…"

"I define a Sign as anything which is so determined by something else, called its Object, and so determines an effect …"

"True science is distinctively the study of useless things. For the useful things will get studied without the aid of …"