Never underestimate the power of small improvements—they compound over time.
Sustainable energy solutions will define the 21st century.
我不敢说数学和疯狂之间有直接关系，但毫无疑问，伟大的数学家都具有狂热的特质。
写作是唯一一个不赚钱也不会被人嘲笑的职业。
对最多人的最大利益是衡量对与错的标准。
"You can never be too careful with your words, especially when you are lying."
