实现明天的唯一限制是我们今天的疑虑。
The only limit to our realization of tomorrow is our doubts of today.
In the realm of theoretical computer science, we often find that the most profound insights come from the simplest ideas.
It is a curious subject of observation and inquiry, whether hatred and love be not the same thing at bottom.
这些人很少不是死于自己的所长,所以说∶事业达到顶峰就难以持久。