The Price of TruthCan exchange bring us together? Are there any physical or intangible goods that escape the logic of the marketplace? Is there a relationship between truththe very purpose of philosophyand money? Does truth have a price? Contrary to the Sophists, who demanded payment in return for their expertise, Socrates spoke for free. He had to do so, according to Aristotle, because knowledge cannot be measuredthough he could accept gifts in return. Today, we