Sometimes I just feel like quitting, but then I think about all the people I’d be letting down.

We are all in the gutter, but some of us are looking at the stars.

Faith is taking the first step even when you don't see the whole staircase.

量子通信的安全性来自物理定律，而不是计算复杂性。

The lab notebook is a scientist’s most honest companion.

"The dead don’t stay where they are buried."