Karl Popper

Popper "shows" [in The Open Society and Its Enemies] that he is smarter and more open-minded than Plato or Hegel. That kind of thinking is one of the main obstacles to open-mindedness in our time. --The Intercollegiate Review

It [The Open Society and its Enemies] made me realize how it is possible for a whole tradition of scholarship to distort systematically the interpretation of a period. --Orlando Patterson