一个人需要相当的知识才能意识到自己的无知程度。
The interplay between pure and applied mathematics is where true innovation happens.
成功的关键在于不断学习和适应。
国家是人类社会中最重要的机构,因为它是唯一可以合法使用武力来维持秩序的机构。
Change will lead to inspiration far more often than inspiration will lead to change.