The world is full of suffering, it is also full of overcoming it.

To be free is to have no choice.

I have held many things in my hands, and I have lost them all; but whatever I have placed in God's hands, that I still possess.

算法不仅仅用于解决问题；它们也用于理解世界。

真相很少是纯粹的，也从来不简单。

The past is never really past; it lingers in the corners of our lives.

我不是政治家，我只是一个关心的公民。