当每一分钱都要精打细算，犯错的空间就消失了。

The path to success is to take massive, determined action.

Every challenge is an opportunity to grow.

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

The best science often comes from asking the simplest questions.

Investors should focus on long-term goals and ignore short-term market fluctuations.

穷人的时间总被廉价出售，却永远买不到时间。