Someone who has thought rationally and deeply about how the body works is likely to arrive at better ideas about how to be healthy than someone who has followed a hunch. Medicine presupposes a hierarchy between the confusion the layperson will be in about what is wrong with him, and the more accurate knowledge available to doctors reasoning logically. … At the heart of Epicureanism is the thought that we are as bad at answering the question “What will make me happy?” as “What will make me healthy?” … Our souls do not spell out their troubles.
