道的根本来源于天,如果天不改变,道也不会改变。
"La literatura es el arte de la paciencia, tanto para quien escribe como para quien lee."
The Internet is becoming the town square for the global village of tomorrow.
可持续发展不再是可选项,而是我们对后代的责任。
The concept of nondeterminism in computation is one of the most important ideas in computer science.