Facts are stubborn things; and whatever may be our wishes, our inclinations, or the dictates of our passion, they cannot alter the state of facts and evidence.
我喜欢把数学看作一种诗歌。
尝试一种方法是常识。如果失败了，坦率地承认并尝试另一种方法。但最重要的是，尝试一些事情。
如果一个人不完全愿意随时离职，就不适合担任公职......
活着就是不断被生活所惊讶。
Watch your thoughts, for they become words. Watch your words, for they become actions. Watch your actions, for they become habits. Watch your habits, for they become your character. And watch your character, for it becomes your destiny. What we think, we become.