生活是愉快的。死亡是平静的。麻烦的是过渡。

Understanding the real lives of the poor is the first step toward designing effective policies to help them.

Human suffering and joy are universal, no matter where we come from.

我们必须挑战现状，寻找更好的做事方法。

The most important single aspect of software development is to be clear about what you are trying to build.

最重要的是保持适应能力。