The true value of a mathematical theory lies in its ability to connect seemingly unrelated ideas.

墨子说：言论如果能够付诸行动的就可以讲；不能够付诸行动的就别多说。言论不能付诸行动的而常讲，这就是卖弄口才了。

The individual himself is a fallacy.

Freedom is the oxygen of creativity; without it, art suffocates.

淡泊平静，忧患就不能影响，邪气就不能侵袭，就德性完备而精神不损。

可持续增长的关键是在经济进步和环境责任之间取得平衡。