In the Gorgias, Socrates claims that painful bodily punishment like flogging can improve certain wrongdoers. I argue that we can take Socrates’ endorsement seriously, even on the standard interpretation of Socratic motivational intellectualism, according to which there are no non-rational desires. I propose that flogging can epistemically improve certain wrongdoers by communicating that wrongdoing is bad for oneself. In certain cases, this belief cannot be communicated effectively through philosophical dialogue.