快乐不是一件自我存在的东西，它仅是与其他不快乐事情的一个相对比照，这就是快乐的整个情况。
科学是关于提出正确的问题并坚持不懈地寻找答案。
家不仅仅是一个地方；它是一种感觉，一种归属感。
Investors should avoid making decisions based on short-term market movements.
On innovation: "I think frugality drives innovation， just like other constraints do. One of the only ways to get out of a tight box is to invent your way out."