"The essence of mathematics is not to make simple things complicated, but to make complicated things simple."

没有祖国的人，就像没有歌声的夜莺。

I don't think about how many records I'm selling. I just think about the music.

我不是英雄，我只是一个歌唱英雄的人。

我不介意成为一个象征，但我不想成为一个纪念碑。这是有区别的。