没有什么比意志更强大，没有什么比决心更重要。

To me programming is more than an important practical art. It is also a gigantic undertaking in the foundations of knowledge.

Sometimes, the most dangerous lies are the ones we tell ourselves.

我们都有裂痕，那是光照进来的地方。

真正的护城河是持续创造用户价值的能力。