Time is the only true enemy we have, and the only one we can never defeat.
采石业的创新不仅关乎新机械,更在于重新构想我们与开采土地的关系。
数学家的工作永无止境;总有更多的问题需要解决。
It is not the creation of wealth that is wrong, but the love of money for its own sake.