数学中的发现过程往往比结果本身更重要。
The past is a shadow that follows us into the future.
The best leaders are those who empower others to lead.
Writing is about paying attention to the things most people overlook.
经济学的第一课是稀缺：从来没有足够的任何一种东西能够满足所有人对其需要。政治学的第一课是摒弃经济学的第一课。
近似的艺术就是工程的艺术。