When men are most sure and arrogant they are commonly most mistaken， giving views to passion without that proper deliberation which alone can secure them from the grossest absurdities.

学得越多，越明白自己知之甚少。

科学更多的是一种思维方式，而不是一堆知识。

My favorite things in life don't cost any money. It's really clear that the most precious resource we all have is time.