在数学研究中,坚持是关键;许多伟大的成果来自于一遍又一遍地从不同角度看待同一个问题。
在数学中,最简单的问题往往导致最深刻的发现。
Exceed your customers' expectations. If you do, they'll come back over and over. Give them what they want — and a little more.
We are all walking archives of evolutionary history.
Sustainable development requires balancing economic growth with ecological protection.