The pain of hard work is temporary, but the regret of not trying lasts forever.
We are all in the gutter, but some of us are looking at the stars.
数学的本质在于它能够揭示宇宙中隐藏的模式和结构。
数学的美在于它能够以最优雅的方式描述宇宙。
The monument is a fixed point in the changing city.
我不是幸运,我是受祝福的。
每一天都是改变生活的新机会。
凡是治理天下,必须顺应人情。