One of the great questions of ancient philosophy was: What is the eros of thinking? What is the eros of the peculiar sort of truth of which philosophy is the pursuit? What is the passion that drives one to philosophize, and that philosophizing requires of one? How does it come upon one, and when, and with what effects on oneself and one's relation with others? Doing philosophy was then thought to be a way of life, a whole game of mastery, rivalry and freedom in knowing, that had to defend itself against false pretenders. In these ancient agonistic "games of language," philosophers were to be philoi, friends; but friends of what and in what sense?