in the book 1984 Winston says near the end of section two chapter 2, "I hate purity, I hate goodness,...

in the book 1984 Winston says near the end of section two chapter 2, "I hate purity, I hate goodness, I don't want any virtue to exist anywhere. I want everyone to be corrupt to the bones," what kind of virtue is he talking about? is it what we normally think of as purity and virtue or is it what big brother calls virtue? what's the difference? write two paragraph explaining your answers.