Even in the tropics it gets colder at night than you think. Pack warmly.

The human soul needs actual beauty more than bread.

数学家是把咖啡转化为定理的装置。

在每个故事中，都有一个等待被发现的隐藏真相。

最好的解决方案往往来自那些最接近问题的人——我们的农民。

心理活动的目的是引导行为。

I don't focus on what I'm up against. I focus on my goals and I try to ignore the rest.

The thing about happiness is that you only know you had it when it's gone.