The Four Methods of Charles S. Peirce In “The Fixation of Belief”, Charles S. Peirce attempts to explain his four methods of establishing belief, in which he says all people have. These methods can be put to the test with any subject matter, and one shall always fit. For instance, let us look at the broad but always hot topic of religious matters, or affairs. First, take into account Peirce’s first method, which is the method of tenacity. Its definition is, “taking as answer to a question any we may fancy, and constantly reiteratin ....