地球撞上太阳还需要1千百万百万百万百万年，所以眼下没有啥好担心的！
It will take about a thousand million million million million years for the Earth to run into the sun, so there’s no immediate cause for worry!
Any human anywhere will blossom in a hundred unexpected talents and capacities simply by being given the opportunity to do so.
在空闲的时候不做准备，危急的时候却临时抱佛脚。国家发生战乱时，才想到有名的将领；家庭贫困时才希望能有个贤惠的妻子。
Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.