A professor of Marxist political philosophy at my university told our introductory course that the point of (political, at least) philosophy wasn't to learn the

A professor of Marxist political philosophy at my university told our introductory course that the point of (political, at least) philosophy wasn't to learn the philosopher's ideas on how to fix his world but rather how his thought process could be used to analyze and fix ours. I don't remember much else from the course but that bit has stuck for all these years.