今天很残酷，明天更残酷，后天很美好，但绝对大部分人会死在明天晚上。

The most exciting aspect of quantum computing is the potential to solve problems that are currently intractable for classical computers.

"The past is a foreign country; they do things differently there."

Now this is not the end. It is not even the beginning of the end. But it is, perhaps, the end of the beginning.