如果你独处时感到寂寞，这说明你没有和你自我成为好朋友。
If you're lonely when you're alone，you're in bad pany。
I'm not afraid to be alone; I'm afraid of being lonely.
Curiosity drives the mathematician forward, always seeking the next question to answer.
民主是最差的一种政治制度，除了所有那些其他被实验过的政治制度之外。