Mathematics is a dialogue between the past and the present.

Nothing’s lost forever. In this world, there’s a kind of painful progress. Longing for what we’ve left behind, and dreaming ahead.

我发现独处时效率最高。

相位裕度是系统在变得不稳定之前可以容忍的程度的度量。

我不是一个喜欢常规的人。