I: Winch's emphasis on philosophy's concern with language and on rule-follo
wing; II: Winch's misgivings about limits of analogy between rules and lang
uage; III: Rhees' comparison of the unity of discourse with conversation, a
nd claim that language makes sense if living makes sense; IV: Winch's later
emphasis on the fragility of conditions for understanding both between cul
tures and within our own.