Known for all that you were during this brief stay.How sad it seems to leave this earth without those you love the most ever really knowing who you were.

解释：以芍药相赠，以文无（一种中药）相招，展现了中药在人际交往中的特殊意义。

数学中最深刻的发现往往来自于对最基本假设的质疑。

Cryptography is about communication in the presence of adversaries.

The next generation will judge us by what we leave in the water, not what we take out.

如果没有目标，分析就是漫无目的、一文不值的。