"I think the trend towards religion is an outcome of the Russian Revolution and the fear of Communism and Nazism. The same thing happened in England after the French Revolution. People will not cease to be religious until there is more security in the world." He recollects an anecdote about his grandmother. "She knew the Miss Berrys, who were friends of Horace Walpole, and she said to me: 'They were old-fashioned. They used to swear a little'."