I think what gives my works whatever universality they have is that they use the metaphysical secret world to describe some realities of the overt world.

As quoted in "Master of the Secret World: John le Carré on Deception, Storytelling and American Hubris" by Andrew Ross, in Salon (21 October 1996); also in Conversations with John le Carré (2004) edited by Matthew Joseph Bruccoli and Judith Baughman, p. 141