The most secure encryption is the one you don't use.

The great philosophers are those who have the courage to think for themselves.

农业效率不仅仅关乎产量；它还涉及资源的负责任使用。

做你自己，别人都已经有人做了。

Loneliness is not lack of company, loneliness is lack of purpose.

L-函数的研究是探索数字隐藏结构的窗口。

城市就像一篇文章，它会向那些能够阅读它的人说话。