把这一句，留给此刻的你
The hardest thing is to go to sleep at night, when there are so many urgent things needing to be done. A huge gap exists between what we know is possible with today's machines and what we have so far been able to finish.
最困难的事情是晚上睡觉，因为有那么多紧急的事情要做。在我们所知道的今天的机器可能实现的功能和我们迄今为止能够完成的功能之间存在着巨大的差距。