A woman can become a man’s friend only in the absence of passion between them.
轧棉机的发明纯属偶然；那时我还很年轻，非常贫穷，对我来说从中实现一些价值是一个重要的目标。
The key to credible causal inference is not just the method, but how well the method fits the question at hand.
并不存在一个自由美国和一个保守美国的区别 - 只有团结的美利坚合众国。
故事是我们理解世界的方式。
The only way to do great work is to love what you do.
Technology must serve society, not the other way around.