Every man is fully satisfied that there is such a thing as truth, or he would not ask… — Charles Sanders Peirce

Peirce, Charles Sanders. "Lecture Seven: Three Cotary Propositions of Pragmatism." Pragmatism as a Principle and Method of Right Thinking: The 1903 Harvard Lectures on Pragmatism. State University of New York Press, 1997.

Peirce, Charles Sanders. "Three Cotary Propositions of Pragmatism." 14 May 1903, Harvard University, Cambridge, MA, USA.