社会主义不会也不能通过法令来创造；任何政府，无论多么社会主义，也无法建立它。
P与NP问题是计算机科学中最重要的一个问题之一。
Collaboration is key—governments, businesses, and communities must work together for sustainable forests.
The quiet revolution in women’s education and employment has transformed society in ways we are still discovering.
"The power of a story is in its ability to inspire hope."