屋漏在上，知者在下。
解释：屋顶是否有漏洞，下面的人才知道。
The Internet is a great equalizer, but it also has the potential to exacerbate inequalities.
Efficiency in farming is not about doing more with less, but about doing better with what we have.
最好的还在后头。
数学的本质在于它的自由。
过去是跟随你进入未来的影子。
我不是乐队，我是管弦乐团。