"It is the social issues which unremittingly demand that I make a responsible personal effort and which also lay increasing claims on my physical and mental powers. For me, the moral difficulties lie in the continual pressure brought to bear on my friends and immediate family, pressure which is not directed against me personally but which at the same time is all around me. I have written about this on many occasions but, sad to report, all that I said before applies equally today. I am no professional politician — which is perhaps why I am continually obsessed by the question as to the purpose served by the work done by my friends and myself, as well as its final result. I tend to believe that only moral criteria, coupled with mental objectivity, can serve as a sort of compass in the cross-currents of these complex problems."