做决定是困难的，也因此益发珍贵

I'm not a businessman, I'm a business, man.

Simplicity is the ultimate sophistication.

Without a good user experience, even the best business model is just talk.

Education is the foundation for empowering the next generation of scientists.

可信因果推断的关键不仅是方法，还有方法与当前问题的契合度。