我们始终坚持以用户为中心，不断优化产品和服务。

Happiness is not something ready made. It comes from your own actions.

"We are all translators of our own lives."

Every design is a rigorous attempt to capture a concrete moment in a continuous process.

The past shapes the present, and the present shapes the future.

In computational learning theory, we seek to understand the fundamental principles that govern learning from data.

默记所学的东西，坚持学习而不厌烦，教诲别人不知疲倦。