‘I told you, Winston,’ he said, ‘that metaphysics is not your strong point. The word you are trying to think of is solipsism. But you are mistaken. This is not solipsism. Collective solipsism, if you like. But that is a different thing: in fact, the opposite thing. All this is a digression,’ he added in a different tone. ‘The real power, the power we have to fight for night and day, is not power over things, but over men.’ He paused, and for a moment assumed again his air of a schoolmaster questioning a promising pupil: ‘How does one man assert his power over another, Winston?’