translation.en: Well, I have to admit, actually, that I also had a very selfish reason for building Mathematica: I wanted to use it myself, a bit like Galileo got to use his telescope 400 years ago.
translation.zh: 当然，我必须承认，事实上 我开发Mathematica也有个自私的原因 那就是我想要用它 就像伽利略在400年前 想要用望远镜一样