数学研究是所有智力和精神进步不可或缺的基础。

I always tell my students that it's okay to make mistakes, as long as you learn from them.

伟大的领导者愿意为了团队的利益而牺牲自己的利益。

Cinema is a mirror by which we often see ourselves.

不要让别人的意见淹没你内心的声音。