Most of all he asked about their philosophy. To Leamas that was the most difficult question of all. 'What do you mean, a philosophy?' he replied. 'We're not Marxists, we're nothing. Just people.' 'Are you Christians, then?' 'Not many, I shouldn't think. I don't know many.' 'What makes them do it, then?' Fiedler persisted. 'They must have a philosophy.' 'Why must they? Perhaps they don't know, don't even care. Not everyone has a philosophy,' Leamas answered, a little helplessly.