有时候写作最难的部分就是开始。
"Sometimes the hardest part of writing is just starting."
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。
The key to successful investing is to have a long-term perspective and to stick to your strategy.
The probability of a response is determined by its reinforcement history.
I'm a dreamer. I have to dream and reach for the stars, and if I miss a star then I grab a handful of clouds.
最可持续的采伐是让森林比我们发现时更健康。