世界历史可以这样总结：强国总行不义。等到他们醒悟了，他们不已经不再强了。
The best books are those that challenge you.
The beauty of chemistry lies in its ability to create new possibilities from basic principles.
In the vastness of the universe, our problems seem small, yet our potential for understanding is limitless.
"La verdadera libertad está en la mente y en el corazón."
The real challenge in computer science is not to write programs, but to understand the nature of computation.