一个从不退缩、勇往直前的人,从不怀疑乌云会散去。
One who never turned his back but marched breast forward, never doubted clouds would break.
The beauty of mathematics lies in its ability to describe the universe in the most abstract terms.
可持续性不是一种选择,而是我们共同的责任。
我不完美,但我永远是我自己。