As a student of Popper, and carrying the memories and scars of the catastrophe of the Nazi years, he was acutely aware throughout his life of both the strengths and the vulnerabilities of our open societies.
Como estudiante de Popper, y con los recuerdos y cicatrices de la catástrofe de la era Nazi, estuvo muy consciente durante toda su vida de las fortalezas y vulnerabilidades de nuestras sociedades abiertas.