Win-win cooperation is the long-term way, the era of going it alone is over.
青年的危机不是生物性的，而是社会和政治性的，它需要一种新的语言来理解他们斗争性质的变化。
最伟大的诗歌诞生于最深的苦难。
追求数学知识是一段永无止境的旅程，充满了无尽的好奇和惊奇。
Democracy is the worst form of government except for all those other forms that have been tried from time to time.