A good algorithm is like a well-tuned instrument, producing harmony from chaos.

In a world filled with hate, we must still dare to hope. In a world filled with anger, we must still dare to comfort. In a world filled with despair, we must still dare to dream. And in a world filled with distrust, we must still dare to believe.

There is more than one kind of freedom... Freedom to and freedom from. In the days of anarchy, it was freedom to. Now you are being given freedom from. Don't underrate it.

Technology without application scenarios is like water without a source.

A good abstraction is one that emphasizes the important details and suppresses the unimportant ones.

只热爱实践而无理论的人，就像没有舵和罗盘的水手，永远不知道他可能漂流到哪里。

美本身不是目的，而是问题完美解决的结果。