真正的护城河是用户对你的依赖。

永远不要停止学习，因为生活永远不会停止教导。

Writing is a way to confront the things that we are afraid to confront in real life.

"The past is a foreign country; they do things differently there."

真正的企业家精神在于不断挑战现状，寻找新的机会。